Creative Commons
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Creative Commons is an American nonprofit organization and international network devoted to educational access and expanding the range of creative works available for others to build upon legally and
Lawrence Lessig (January 2008)
Creative Commons Japan Seminar, Tokyo (2007)
A sign in a pub in Granada notifies customers that the music they are listening to is freely distributable under a Creative Commons license.
Creative Commons guiding the contributors. This image is a derivative work of Liberty Leading the People by Eugène Delacroix.
Creative Commons license
Videos
A Creative Commons license is one of several public copyright licenses produced by Creative Commons, a U.S. non-profit corporation, that enable the free distribution of an otherwise copyrighted "work"
Creative Commons
…the range of creative works available for others to build upon legally and to share. The organization has released several copyright licenses, known as Creative Commons licenses (CC licenses), free of charge to the public, to allow authors of creative works to communicate which rights they reserve and which rights they waive…
Aaron Swartz and Lawrence Lessig at the 2002 event for the first release of the licenses
An example of a permitted combination of two works, one being CC BY-SA and the other being public domain