Changes

All contributions to [[Wikipedia]] must be licensed by the author under the GNU Free Documentation License (GFDL).<ref>[http://en.wikipedia.org/wiki/Wikipedia:Copyrights Wikipedia Copyrights] accessed April 7, 2007</ref> While it guarantees a number of freedoms to reuse and modify the work, this license also imposes obligations that can make this reuse burdensome. Authors always remain free to copy their own work, but cannot copy work that has been edited by others unless they comply fully with the requirements of the 3,289-word GFDL.

Wikipedia uses a burdensome and complex system of copyrights, including statements like "any page which does not incorporate text that is exclusively available under CC-BY-SA or a CC-BY-SA-compatible license is also available under the terms of the GNU Free Documentation License" (GFDL).<ref>http://en.wikipedia.org/wiki/Wikipedia:Reusing_Wikipedia_content</ref> Wikipedia uses a byzantine system of rules -- as one might expect from its predominantly liberal editors. Authors always remain free to copy their own work, but cannot copy work that has been edited by others unless they comply fully with the requirements of the 3,289-word GFDL.

The requirements of the Wikipedia license include:<ref>[http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License Text of the GNU Free Documentation License] accessed April 7, 2007</ref>

The basic requirements of the Wikipedia license include:<ref>[http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License Text of the GNU Free Documentation License] accessed April 7, 2007</ref>

* any derivative work must be licensed under the same conditions

* any derivative work must be licensed under the same conditions

* there must be attribution of principal authors

* there must be attribution of principal authors