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 called "free", this license actually imposes burdensome obligations that interfere with the reuse of this material, even for teaching purposes. Authors always remain free to copy their own work, but cannot copy work that has been edited by others unless there is full compliance with the requirements of the GFDL.

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 called "free", this license actually imposes burdensome obligations that interfere with the reuse of this material, even for teaching purposes. Authors always remain free to copy their own work, but cannot copy work that has been edited by others unless there is full compliance with the requirements of the 3,289-word GFDL.

Here are a few of the complex requirements of the Wikipedia license:<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>

Here are a few of the complex requirements of the Wikipedia license:<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>