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= The case for Free use: reasons not to use a Creative Commons -NC license =
= The case for Free use: reasons not to use a Creative Commons -NC license =


When the [https://creativecommons.org/ Creative Commons] project published its first licenses in December 2002, it finally brought a sense of unity to the free culture movement. Instead of having to choose from many scattered licenses, authors now have the option to pick the right license for their work using a [https://creativecommons.org/license/ simple tool]. They only have to answer basic questions like: “Allow commercial uses? Allow modifications?”
When the [http://www.creativecommons.org Creative Commons] project published its first licenses in December 2002, it finally brought a sense of unity to the free culture movement. Instead of having to choose from many scattered licenses, authors now have the option to pick the right license for their work using a [http://creativecommons.org/license/ simple tool]. They only have to answer basic questions like: “Allow commercial uses? Allow modifications?”


The tool then recommends one of the licenses developed by the Creative Commons team. They are legally sane, simple documents, specially adapted for various jurisdictions. In short, the Creative Commons project has made life a lot easier for everyone wanting to share content.
The tool then recommends one of the licenses developed by the Creative Commons team. They are legally sane, simple documents, specially adapted for various jurisdictions. In short, the Creative Commons project has made life a lot easier for everyone wanting to share content.
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* They support current, near-infinite '''copyright terms'''.
* They support current, near-infinite '''copyright terms'''.
* They are ''unlikely'' to increase the potential '''profit''' from your work, and a share-alike license serves the goal to protect your work from unethical exploitation equally well.
* They are ''unlikely'' to increase the potential '''profit''' from your work, and a share-alike license serves the goal to protect your work from unethical exploitation equally well.
* There is '''no clear boundary''' for what counts as "commercial" versus "non-commercial", so this creates a lot of gray areas for using NC licenses. Does asking for donations, including ads, affiliate links,  and/or other paid business relationships, etc count as "commercial" activity, or not?
* Content that is released under CC BY-SA-NC licenses instead of BY-SA licenses are not compatible with being re-released under GPLv3 licenses.


There may be circumstances where -NC is the only (and therefore best) available option, but that number of circumstances should decrease as the business models around free content evolve.
There may be circumstances where -NC is the only (and therefore best) available option, but that number of circumstances should decrease as the business models around free content evolve.
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== Incompatibility ==
== Incompatibility ==


[[Image:Robal.png|thumb|300px|One of over 100,000,000 free photos, illustrations, sounds and videos uploaded to the [https://commons.wikimedia.org/ Wikimedia Commons], the media repository used by Wikipedia and its sister projects. All files on the Commons must be free for commercial use. This drawing of insect anatomy by Piotr Jaworski is licensed under the Creative Commons Attribution/Share-Alike license.]]
[[Image:Robal.png|thumb|300px|One of over 17,000,000 free photos, illustrations, sounds and videos uploaded to the [http://commons.wikimedia.org/ Wikimedia Commons], the media repository used by Wikipedia and its sister projects. All files on the Commons must be free for commercial use. This drawing of insect anatomy by Piotr Jaworski is licensed under the Creative Commons Attribution/Share-Alike license.]]


Millions of people use free content every day. [https://www.wikipedia.org/ Wikipedia] is freely licensed and is [https://web.archive.org/web/20220430024557/https://www.alexa.com/siteinfo/wikipedia.org among the 10 most visited websites on the planet]. Today, many of the most popular search engines directly use content from Wikipedia in their integrated results. This extended use of Wikipedia works because the license explicitly ''allows and encourages'' commercial use.
Free content is no longer a fringe movement – it is something millions of people use every day. [http://www.wikipedia.org/ Wikipedia], a free and freely-licensed encyclopedia built by volunteers, contains over 30 million entries in more than 286 languages and is [http://www.alexa.com/siteinfo/wikipedia.org among the 10 most visited websites on the planet]. Moreover, its growth continues, as does its integration into search engines. Google features Wikipedia definitions in [http://www.google.com/search?num=20&hs=6IB&hl=en&q=when+was+carl+sagan++born%3F&btnG=Search some queries], as well as through the integration of Wikipedia mirror [http://www.answers.com/ Answers.com] in the top right corner of search results. Other search engines, such as Amazon.com's A9, Clusty.com, and Web.de have even integrated Wikipedia directly into their user interfaces.  


Now, if you choose an -NC license for your work, it will be incompatible with Wikipedia, other Wikimedia projects, and many other free content projects, large and small.
This success is the result of less than a decade of work. Clearly, free content is here to stay. But, in part to make uses like the above possible, free content sites like Wikipedia explicitly ''allow and encourage'' commercial use. As we will see, there are many desirable commercial uses. More importantly, however, if you choose an -NC license, your work will not be compatible with Wikipedia, [http://www.wikinews.org/ Wikinews], [http://www.wikibooks.org/ Wikibooks], and similar free content projects which have more permissive philosophies and practices.


Wikipedia's licensing ([https://creativecommons.org/licenses/by-sa/3.0/ CC-BY-SA] and [https://www.gnu.org/licenses/fdl-1.3.html GNU Free Documentation License]) uses the ''copyleft'' (or, in Creative Commons terminology, “share-alike”) principle: You can make derivative works, but they have to be licensed under the same terms. You cannot add an -NC restriction to derivatives and so you cannot use any -NC material in derivatives of copyleft work because you can no longer apply the commercially-allowed “share-alike” license to the entire work.
One reason for this is that licenses like Wikipedia's, [http://creativecommons.org/licenses/by-sa/3.0/ CC-BY-SA] and [http://www.gnu.org/copyleft/fdl.html GNU Free Documentation License], work according to the ''copyleft'' (or, in Creative Commons terminology, “share-alike”) principle: You can make derivative works, but they have to be licensed under the same terms. You cannot make a derivative work through addition of -NC content, as you can no longer apply the (more liberal) “share-alike” license to the entire work. This is true even for Creative Commons' own licenses: You cannot combine, for example, BY-SA content with BY-NC-SA content ([http://creativecommons.org/weblog/entry/4216 ”Otherwise, Share Alike Means Share Alike“], as a Creative Commons press release put it). In Creative Commons own [https://wiki.creativecommons.org/Wiki/cc_license_compatibility compatibility chart] they indicate that although it may be technically possible to create derivative work licensed CC-BY or CC-BY-SA if it has any CC-NC content, “CC does not recommend using these combinations”.


In Creative Commons own [https://wiki.creativecommons.org/Wiki/cc_license_compatibility compatibility chart] they indicate that although it there may be exceptions that make it technically possible to create derivative work licensed CC-BY or CC-BY-SA if it has any CC-NC content, “CC does not recommend using these combinations”. Maintaining boundaries between parts of a work where some is -NC and some is not is almost impossible in a collaborative environment. Imagine a website with collaboratively edited text that is ''partially'' -NC licensed. As text is copied from one region to another and modifications are made, it is likely that the licenses will be violated.
Marking up regions of content as non-commercial and consistently following these boundaries is almost impossible in a collaborative environment. Imagine a website with collaboratively edited text that is ''partially'' -NC licensed. As text is copied from one region to another and modifications are made, it is likely that the license will be violated, or that it will have to be applied to more and more text to stay legally safe.


Many free content communities reject -NC licenses simply for philosophical reasons like the ones outlined in this article. For example, the [https://commons.wikimedia.org/ Wikimedia Commons], a media repository operated by Wikipedia's [https://www.wikimediafoundation.org/ Wikimedia Foundation] which contains more than 41,000,000 files, does not allow uploads under restrictive licenses such as the -NC variants.
Many free content communities reject -NC licenses simply for philosophical reasons like the ones outlined in this document. For example, the [http://commons.wikimedia.org/ Wikimedia Commons], a media repository operated by Wikipedia's [http://www.wikimediafoundation.org/ Wikimedia Foundation] which contains more than 17,000,000 files, does not allow uploads under restrictive licenses such as the -NC variants. Yet, it is an immensely powerful archive: Any file in the Commons is instantly usable in all Wikimedia projects, in all languages.  


Allowing commercial use is also fundamental in the free software community. Both the [https://opensource.org/osd/ Open Source Definition] and the [https://www.gnu.org/philosophy/free-sw.html Free Software Definition] explicitly state that sale and other commercial uses must be allowed for a license to be considered free. The allowance of commercial use and the avoidance of the compatibility problems that come with non-commercial terms are a big part of the widespread adoption of free software.
The philosophy to allow commercial use is also fundamental in the free software community. While most consumers still use Microsoft Windows as their local operating system, free and open source software is already dominating large segments of the server market, and is [http://dwheeler.com/oss_fs_why.html increasingly used] as a desktop environment by corporations and governments. It is also a key factor in bridging the digital divide and providing computers to the developing world. Accordingly, both the [http://opensource.org/docs/definition.php Open Source Definition] and the [http://www.gnu.org/philosophy/free-sw.html Free Software Definition] explicitly state that sale and other commercial uses must be allowed for a license to be considered free.  


In the scientific community, free licensing is growing as well. The [https://plos.org/ Public Library of Science] recognizes the [https://web.archive.org/web/20101202205948/https://www.plos.org/oa/definition.php Open Access Definition] for scientific content which permits commercial use and so have other large open access publishers such as [https://www.biomedcentral.com/ BioMed Central]. Scientific knowledge, they reason, ought to be as freely available as possible.
It is obvious that a company focused on free/libre software development will be unable to make use of works that prohibit commercial use. But non-profit free software communities are equally adamant in rejecting -NC licenses. For example, the [http://www.debian.org/social_contract Debian Free Software Guidelines] explicitly state: ''“The license of a Debian component may not restrict any party from selling or giving away the software as a component of an aggregate software distribution containing programs from several different sources.”'' [http://www.debian.org/ Debian GNU/Linux] is one of the most popular distributions of the GNU/Linux operating system.
 
If you want your work to be recognized and used by the free software community, whether it is itself software or not, it is evidently not a good idea to use an -NC license. But even in the scientific community, liberal licensing is quickly becoming the number one alternative to traditional copyright. The [http://www.plos.org/index.php Public Library of Science] has chosen to adopt an [http://www.plos.org/oa/definition.html Open Access Definition] for scientific content which permits commercial use, and so have other large open access publishers such as [http://www.biomedcentral.com/ BioMed Central]. Scientific knowledge, they reason, ought to be as freely available as possible.


Communities like Wikimedia, Debian, or the scientific Open Access movement do not exist for their own gain – they provide free knowledge and free software to the world. Putting your own content under a license recognized by these communities will keep it alive, and will encourage people to make active use of it in many different contexts. This does not merely apply to inherently collaborative works; almost any conceivable work in demand can be usefully transformed or incorporated into a collaborative context.
Communities like Wikimedia, Debian, or the scientific Open Access movement do not exist for their own gain – they provide free knowledge and free software to the world. Putting your own content under a license recognized by these communities will keep it alive, and will encourage people to make active use of it in many different contexts. This does not merely apply to inherently collaborative works; almost any conceivable work in demand can be usefully transformed or incorporated into a collaborative context.
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[[Image:Wikidvd.jpg|200px|thumb|right|The German Wikipedia DVD is an example of undeniably beneficial commercial use of free content that would not have been possible under an NC license, even by special permission, as every Wikipedia contributor would have needed to agree.]]
[[Image:Wikidvd.jpg|200px|thumb|right|The German Wikipedia DVD is an example of undeniably beneficial commercial use of free content that would not have been possible under an NC license, even by special permission, as every Wikipedia contributor would have needed to agree.]]


The most obvious argument in favor of -NC licenses is that they protect your work from commercial exploitation by others. First, it is important to realize that there are commercial scenarios which are not affected by your license choice. This includes support and tutoring, documentation, commentary, sampling, and many other uses ''around'' the work which are legal regardless of the license. Whatever your license says, the user does not have to accept it, and can simply treat the work as if it were under normal copyright. What -NC can regulate are distribution and modification of the work itself ''beyond'' what the law allows.
The most obvious argument in favor of -NC licenses is that they protect your work from commercial exploitation by others. First, it is important to realize that there are commercial scenarios which are not affected by your license choice. This includes support and tutoring, documentation, commentary, sampling, and many other uses ''around'' the work which are legal regardless of the license. Whatever your license says, the user does not have to accept it, and can simply treat the work as if it was under normal copyright. What -NC can regulate are distribution and modification of the work itself ''beyond'' what the law allows.


However, keep in mind that in this age, large scale distribution is no longer the exclusive domain of large corporations – it can be done by anyone with an Internet connection or a DVD burner. Even large files like movies can be effectively distributed using mechanisms such as [https://en.wikipedia.org/wiki/BitTorrent BitTorrent]. This means that if your work is popular and of high quality, it ''will'' be available on the Internet for free – because the license makes it possible.  
However, keep in mind that in this age, large scale distribution is no longer the exclusive domain of large corporations – it can be done by anyone with an Internet connection or a DVD burner. Even large files like movies can be effectively distributed using mechanisms such as [https://en.wikipedia.org/wiki/BitTorrent BitTorrent]. This means that if your work is popular and of high quality, it ''will'' be available on the Internet for free – because the license makes it possible.  
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There is, however, an alternative. The Creative Commons “Share-Alike” licenses require any work derived from your own to be made available as free content, as a whole. (The licenses without a share-alike clause only guarantee that the part of the work created by you remains free.) Any company trying to exploit your work will have to make their “added value” available for free to everyone. The company does not, however, need to share the income from the “added value”. Seen like this, the “risk” of exploitation turns into a potentially powerful benefit depending on the value added to the content.
There is, however, an alternative. The Creative Commons “Share-Alike” licenses require any work derived from your own to be made available as free content, as a whole. (The licenses without a share-alike clause only guarantee that the part of the work created by you remains free.) Any company trying to exploit your work will have to make their “added value” available for free to everyone. The company does not, however, need to share the income from the “added value”. Seen like this, the “risk” of exploitation turns into a potentially powerful benefit depending on the value added to the content.


This principle works very well in many areas of free content and free software development. Most notably, the Linux operating system kernel is licensed under a share-alike (or ''copyleft'') license. Many companies make use of customized versions of the kernel, for example, to include it in [https://web.archive.org/web/20071001074817/http://www.linuxdevices.com/ embedded devices]. All improvements made by these companies can be used by the main Linux kernel development team. If the kernel were under an -NC license, the commercial use of Linux would be impossible.
This principle works very well in many areas of free content and free software development. Most notably, the Linux operating system kernel is licensed under a share-alike (or ''copyleft'') license. Many companies make use of customized versions of the kernel, for example, to include it in [http://www.linuxdevices.com/ embedded devices]. All improvements made by these companies can be used by the main Linux kernel development team. If the kernel was under an -NC license, the commercial use of Linux would be impossible.


Another interesting tale of commercial use is the German DVD version of Wikipedia. Produced by a company called [http://www.directmedia.de/ Directmedia], it has quickly become a bestseller in Amazon.de's software category. Yet, to make that DVD, Directmedia had to cooperate with Wikipedians – who helped to prepare the data by making it searchable and sortable, and to weed out articles not ready for publication. Directmedia has, in return, donated a substantial percentage of the profits from the DVD to Wikipedia's mother organization.  The monetary donation, while not required, does help to maintain goodwill with the community. It has also made a separate “donation” of 10,000 reproductions of public domain paintings to the Wikimedia Commons.
Another interesting tale of commercial use is the German DVD version of Wikipedia. Produced by a company called [http://www.directmedia.de/ Directmedia], it has quickly become a bestseller in Amazon.de's software category. Yet, to make that DVD, Directmedia had to cooperate with Wikipedians – who helped to prepare the data by making it searchable and sortable, and to weed out articles not ready for publication. Directmedia has, in return, donated a substantial percentage of the profits from the DVD to Wikipedia's mother organization.  The monetary donation, while not required, does help to maintain goodwill with the community. It has also made a separate “donation” of 10,000 reproductions of public domain paintings to the Wikimedia Commons.


The Wikipedia DVD was a working business model because it provided added value in two ways; new offline reader software was created and a well-organized effort to whip the content into shape. It also showed that beyond the copyleft principles, any highly successful cooperation with commercial entities around free content is likely to depend on mutual goodwill. Another illustration of the same principle is [https://www.answers.com/ Answers.com], a commercial Wikipedia mirror, whose parent company chooses to pay for one of Wikimedia's developers, and has also been one of the sponsors of Wikimedia's 2005 conference, Wikimania. None of this was required by the license.
The Wikipedia DVD was a working business model because it provided added value in two ways; new offline reader software was created and a well-organized effort to whip the content into shape. It also showed that beyond the copyleft principles, any highly successful cooperation with commercial entities around free content is likely to depend on mutual goodwill. Another illustration of the same principle is [http://www.answers.com/ Answers.com], a commercial Wikipedia mirror, whose parent company chooses to pay for one of Wikimedia's developers, and has also been one of the sponsors of Wikimedia's 2005 conference, Wikimania. None of this was required by the license.


Commercial use can be highly mutually beneficial where it does occur. The Share-Alike principle, while not applicable to monetary benefits, does protect the content from abusive exploitation without forbidding experiments. These experiments, however, are essential to build a true, innovative economy around free content. Especially when dealing with collaborative works, -NC makes such commercial experiments practically impossible, as every single contributor would have to give explicit permission.
Commercial use can be highly mutually beneficial where it does occur. The Share-Alike principle, while not applicable to monetary benefits, does protect the content from abusive exploitation without forbidding experiments. These experiments, however, are essential to build a true, innovative economy around free content. Especially when dealing with collaborative works, -NC makes such commercial experiments practically impossible, as every single contributor would have to give explicit permission.


One final factor to keep in mind, especially for wide-spread small scale exploitation, is the enforceability of the license. For example, Wikipedia's [https://creativecommons.org/licenses/by-sa/3.0/ Creative Commons BY-SA license] requires that content users link back to the relevant Wikipedia articles, and point out that the document is freely licensed. As is evident from a brief look at [https://en.wikipedia.org/wiki/Wikipedia:Mirrors_and_forks/GFDL_Compliance Wikipedia's own list of mirrors and forks by compliance], many content mirrors completely ignore the CC-BY-SA. Some even systematically remove all evidence that the content is from Wikipedia. Such behavior, while illegal, is difficult to punish, as mirrors reside in many different countries. Many have been quickly set up, without anyone in charge of operations.
One final factor to keep in mind, especially for wide-spread small scale exploitation, is the enforceability of the license. For example, Wikipedia's [http://creativecommons.org/licenses/by-sa/3.0/ Creative Commons BY-SA license] requires that content users link back to the relevant Wikipedia articles, and point out that the document is freely licensed. As is evident from a brief look at [http://en.wikipedia.org/wiki/Wikipedia:Mirrors_and_forks/GFDL_Compliance Wikipedia's own list of mirrors and forks by compliance], many content mirrors completely ignore the CC-BY-SA. Some even systematically remove all evidence that the content is from Wikipedia. Such behavior, while illegal, is difficult to punish, as mirrors reside in many different countries. Many have been quickly set up, without anyone in charge of operations.


Even though Wikipedia is a large community with a reasonably well-funded parent organization, it is clear that it is hard to enforce even very basic licensing requirements on free content. Ask yourself whether you are truly willing and able to enforce violations of an -NC license. Otherwise, the only people you punish with the restriction are those who are careful to respect your wishes -- people who are likely to be amenable to friendly cooperation anyway.
Even though Wikipedia is a large community with a reasonably well-funded parent organization, it is clear that it is hard to enforce even very basic licensing requirements on free content. Ask yourself whether you are truly willing and able to enforce violations of an -NC license. Otherwise, the only people you punish with the restriction are those who are careful to respect your wishes -- people who are likely to be amenable to friendly cooperation anyway.
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=== For Creative Commons ===
=== For Creative Commons ===


As a project with the goal to make licensing choices simple, Creative Commons has a responsibility to inform its users about the drawbacks of licenses which forbid commercial uses. Many individuals who choose an -NC license are unaware of the implications of such a decision. The fact that Creative Commons [https://chooser-beta.creativecommons.org/ openly advertises] the -NC option in its communications is not helpful to that end. At the very least, the license selection screen should include a brief summary like the following:
As a project with the goal to make licensing choices simple, Creative Commons has a responsibility to inform its users about the drawbacks of licenses which forbid commercial uses. Many individuals who choose an -NC license are unaware of the implications of such a decision. The fact that Creative Commons [http://creativecommons.org/about/licenses/how1 openly advertises] the -NC option in its propaganda is not helpful. At the very least, the license selection screen should include a brief summary like the following:


: Note that forbidding commercial use will prevent your work from being used by any free content community that makes its entire body of work available under more permissive terms. This includes large knowledge bases such as Wikipedia, some open source software distributions, and also some media repositories. It will also prevent ''all'' primarily commercial uses of your work, large and small, unless you explicitly approve them. The “Share-Alike” licenses reduce the risk of exploitation by requiring that any derivative work is made available under the same terms, while drastically reducing incompatibility and not forbidding all commercial uses.
: Note that forbidding commercial use will prevent your work from being used by any free content community that makes its entire body of work available under more permissive terms. This includes large knowledge bases such as Wikipedia, some open source software distributions, and also some media repositories. It will also prevent ''all'' primarily commercial uses of your work, large and small, unless you explicitly approve them. The “Share-Alike” licenses reduce the risk of exploitation by requiring that any derivative work is made available under the same terms, while drastically reducing incompatibility and not forbidding all commercial uses.


Hopefully, Creative Commons will contribute to the effort of informing creators that the seemingly simple choice of forbidding commercial use is not so simple at all.
Hopefully, Creative Commons will contribute to the effort of informing creators that the seemingly simple choice of forbidding commercial use is not so simple at all.
'''EDIT:''' This has been done, to some extent<ref>https://creativecommons.org/share-your-work/public-domain/freeworks</ref>.


== Counter-arguments and their rebuttals ==
== Counter-arguments and their rebuttals ==


In private discussions with Lawrence Lessig, as well as in his public communications and speeches such as the one he gave [https://media.ccc.de/v/23C3-1760-en-on_free at the 23rd Chaos Communication Congress], he has responded at some length to the points raised in this essay and others. Other explicit proponents of -NC licensing (of which there are few) hold similar views. The arguments can be summarized as follows:
In private discussions with Lawrence Lessig, as well as in his public communications and speeches such as the one he gave [http://video.google.com/videoplay?docid=7661663613180520595 at the 23rd Chaos Communication Congress], he has responded at some length to the points raised in this essay and others. Other explicit proponents of -NC licensing (of which there are few) hold similar views. The arguments can be summarized as follows:


=== Protecting the commons ===
=== Protecting the commons ===
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'''“-NC licensing is to some works (music, photos) as the copyleft principle is to others: both principles protect the commons.”''' The core of this argument is that copyleft alone is not sufficient to protect musicians and photographers from commercial exploitation. There are too many scenarios, the argument continues, where a work can be taken into a context such as a compilation or an article, for commercial gain, and the copyleft principle does not “kick in” because the newly created work is not a ''derivative'' but rather an ''aggregate''.
'''“-NC licensing is to some works (music, photos) as the copyleft principle is to others: both principles protect the commons.”''' The core of this argument is that copyleft alone is not sufficient to protect musicians and photographers from commercial exploitation. There are too many scenarios, the argument continues, where a work can be taken into a context such as a compilation or an article, for commercial gain, and the copyleft principle does not “kick in” because the newly created work is not a ''derivative'' but rather an ''aggregate''.


: It is true that some works are more likely to be directly altered and improved than others. However, copyleft was only ever meant to apply to such improvements. The philosophy of copyleft explicitly allows and encourages commercial use of the work beyond that, and as has been demonstrated above, there are many beneficial commercial use scenarios that have resulted from this. -NC licensing is therefore not a legitimate philosophical analogy to copyleft. Where copyleft is aimed at protecting and enlarging the commons, -NC licensing is aimed at protecting and enlarging the wealth of copyright holders. It represents an [[wikipedia:enclosure|enclosure]] (utilizing the traditional monopoly rights granted by copyright law), rather than a commons. However, with [https://creativecommons.org/licenses/by-sa/3.0/legalcode the 3.0 BY-SA] license, the issue of collections is addressed, and collections are explicitly required to attribute the work and link to its license.
: It is true that some works are more likely to be directly altered and improved than others. However, copyleft was only ever meant to apply to such improvements. The philosophy of copyleft explicitly allows and encourages commercial use of the work beyond that, and as has been demonstrated above, there are many beneficial commercial use scenarios that have resulted from this. -NC licensing is therefore not a legitimate philosophical analogy to copyleft. Where copyleft is aimed at protecting and enlarging the commons, -NC licensing is aimed at protecting and enlarging the wealth of copyright holders. It represents an [[wikipedia:enclosure|enclosure]] (utilizing the traditional monopoly rights granted by copyright law), rather than a commons. However, with [http://creativecommons.org/licenses/by-sa/3.0/legalcode the 3.0 BY-SA] license, the issue of collections is addressed, and collections are explicitly required to attribute the work and link to its license.


: Moreover, the argument sets up a [https://en.wikipedia.org/wiki/False_dichotomy false dichotomy]. Even if one believes that some works need additional protection beyond copyleft, it does not follow that -NC licensing is the solution. It is equally imaginable to extend the principle of copyleft beyond the distribution of direct derivatives, for example. Such discussions have already taken place in the free software community, where the proliferation of web services poses a very real challenge to copyleft: Under existing copyleft licenses, a company that makes improvements to a web server application such as a discussion forum does not need to share these improvements if it merely uses the software to provide a service, but does not distribute it. While it is unlikely that the copyleft principle will be significantly altered to address this perceived problem, nobody would propose to lock out commercial uses to do so.
: Moreover, the argument sets up a [http://en.wikipedia.org/wiki/False_dichotomy false dichotomy]. Even if one believes that some works need additional protection beyond copyleft, it does not follow that -NC licensing is the solution. It is equally imaginable to extend the principle of copyleft beyond the distribution of direct derivatives, for example. Such discussions have already taken place in the free software community, where the proliferation of web services poses a very real challenge to copyleft: Under existing copyleft licenses, a company that makes improvements to a web server application such as a discussion forum does not need to share these improvements if it merely uses the software to provide a service, but does not distribute it. While it is unlikely that the copyleft principle will be significantly altered to address this perceived problem, nobody would propose to lock out commercial uses to do so.


: Interestingly,  in his 23C3 speech, Lessig listed “wiki” as a type of work where copyleft might be a sufficient protection, and distinguished it from other works such as pictures and music. However, “wiki” is not a type of work; it is a ''methodology'' of open collaboration that can be applied to any work, be it text, photo, video, sound, or images. Indeed, wiki software such as [https://www.mediawiki.org/ MediaWiki] not only supports versioning for uploaded files, but provides an [https://www.mediawiki.org/wiki/Manual:External_editors open API] for editing any file with an external application. And such collaboration is happening. One only needs to look at, for instance, Wikipedia's [https://en.wikipedia.org/wiki/Wikipedia:Featured_picture_candidates “Featured Picture Candidates”], a kind of open community workshop for nominating, discussing and improving Wikipedia's greatest illustrations and photos. Here, pictures often undergo extensive community revision before they are finally listed among Wikipedia's finest. For drawings in particular, translations of labels are also very common.
: Interestingly,  in his 23C3 speech, Lessig listed “wiki” as a type of work where copyleft might be a sufficient protection, and distinguished it from other works such as pictures and music. However, “wiki” is not a type of work; it is a ''methodology'' of open collaboration that can be applied to any work, be it text, photo, video, sound, or images. Indeed, wiki software such as [http://www.mediawiki.org/ MediaWiki] not only supports versioning for uploaded files, but provides an [http://www.mediawiki.org/wiki/Manual:External_editors open API] for editing any file with an external application. And such collaboration is happening. One only needs to look at, for instance, Wikipedia's [http://en.wikipedia.org/wiki/Wikipedia:Featured_picture_candidates “Featured Picture Candidates”], a kind of open community workshop for nominating, discussing and improving Wikipedia's greatest illustrations and photos. Here, pictures often undergo extensive community revision before they are finally listed among Wikipedia's finest. For drawings in particular, translations of labels are also very common.


: Projects like [https://web.archive.org/web/20191202175843/http://metavid.org/wiki/Main_Page MetaVid] show that wiki-like collaboration and annotation is even possible around video files, opening some exciting possibilities of collaborative filmmaking. If, as Lessig argues, copyleft is right for “wiki”, then copyleft is right for any work for which beneficial revisions or transformations are imaginable.
: Projects like [http://metavid.ucsc.edu/ MetaVid] show that wiki-like collaboration and annotation is even possible around video files, opening some exciting possibilities of collaborative filmmaking. If, as Lessig argues, copyleft is right for “wiki”, then copyleft is right for any work for which beneficial revisions or transformations are imaginable.


=== Preventing a schism ===
=== Preventing a schism ===
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== Further reading ==
== Further reading ==


* [https://mako.cc/writing/toward_a_standard_of_freedom.html Benjamin Mako Hill: Towards a Standard of Freedom: Creative Commons and the Free Software Movement]. Criticizes the Creative Commons project for failing to “draw a line in the sand” when it comes to defining free licenses. Compare the version published [https://web.archive.org/web/20130502035140/http://advogato.org/article/851.html on Advogato] with attached discussion forum.
* [http://mako.cc/writing/toward_a_standard_of_freedom.html Benjamin Mako Hill: Towards a Standard of Freedom: Creative Commons and the Free Software Movement]. Criticizes the Creative Commons project for failing to “draw a line in the sand” when it comes to defining free licenses. Compare the version published [http://advogato.org/article/851.html on Advogato] with attached discussion forum.
* [https://web.archive.org/web/20160318043607/http://www.kuro5hin.org/story/2005/9/11/16331/0655 Erik Möller: Creative Commons -NC Considered Harmful]. An older version of this article with an attached discussion forum.
* [http://www.kuro5hin.org/story/2005/9/11/16331/0655 Erik Möller: Creative Commons -NC Considered Harmful]. An older version of this article with an attached discussion forum.
* [https://arstechnica.com/information-technology/2010/10/cbc-radio-fans-crabby-over-creative-commons-snub/ Why the CBC banned Creative Commons music from its shows]. The Canadian Broadcasting Company's difficulties with NC-licensed content.
* [http://arstechnica.com/media/news/2010/10/cbc-radio-fans-crabby-over-creative-commons-snub.ars Why the CBC banned Creative Commons music from its shows]. The Canadian Broadcasting Company's difficulties with NC-licensed content.
* Paul Klimpel: [https://commons.wikimedia.org/wiki/File:Free_Knowledge_thanks_to_Creative_Commons_Licenses.pdf ''Free Knowledge based on Creative Commons Licenses'']
* Paul Klimpel: [http://openglam.org/files/2013/01/iRights_CC-NC_Guide_English.pdf ''Free Knowledge based on Creative Commons Licenses'']
* Aaron Wolf: [https://blog.wolftune.com/2011/07/brain-parts-song-video.html ''Discussion of NC incompatibility with Wikimedia BY-SA resources in creating a non-commercial video for song about brain anatomy'']
* husszeinclub: [http://al-quran.info/2016/05/home-quran-translation-commntary.html ''Discussion of NC incompatibility with Wikimedia BY-SA resources in creating a non-commercial Quran online translation'']
 
On this wiki:
* [[The non-commercial provision obfuscates intent]]
* [[Elements of journal freedom]]


== Examples of confusion arising from NC provision ==
== Examples of confusion arising from NC provision ==


* https://www.quora.com/Creative-Commons/Can-I-use-Creative-Commons-NC-licensed-music-as-hold-music-on-my-company-phone-system
* http://www.al-quran.info/plugins-husszein/Creative-Commons/Can-I-use-Creative-Commons-NC-licensed-al-quran-as-hold-text-quran-on-my-company-phone-system


''Erik Möller 2005-2007. This article is [https://creativecommons.org/publicdomain/zero/1.0/ in the public domain]. Feel free to use it for any purpose. It is also a living document whose editable main copy resides at [https://freedomdefined.org/Licenses/NC https://freedomdefined.org/Licenses/NC]. You are encouraged, but not required, to include this notice.''
''husszeinclub 2016. This article is [http:/ī/creativecommons.org/publicdomain/zero/1.0 in the public domain]. Feel free to use it for any purpose. It is also a living document whose editable main copy resides at [http://freedomdefined.org/Licenses/NC http://freedomdefined.org/Licenses/NC]. You are encouraged, but not required, to include this notice.''
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