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Spammer Spammer@web - 6 years ago 2017-11-14 21:55:38

added examples and citing for examples
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@@ -5,12 +5,19 @@ What is Copyleft?
 
Copyleft is a strategy of utilizing copyright law to pursue the policy goal of fostering and encouraging the equal and inalienable right to copy, share, modify and improve creative works of authorship.  Copyleft (as a general term) describes any method that utilizes the copyright system to achieve the aforementioned goal.  Copyleft as a concept is usually implemented in the details of a specific copyright license, such as the GNU [General Public License (GPL)](http://www.gnu.org/copyleft/gpl.html) and the [Creative Commons Attribution Share Alike License](http://creativecommons.org/licenses/by-sa/4.0/). Copyright holders of creative works can unilaterally choose these licenses for their own works to build communities that collaboratively share and improve those copylefted creative works.
 

	
 
What is copyleft.org?
 

	
 
copyleft.org is a collaborative project to create and disseminate useful information, tutorial material, and new policy ideas regarding all forms of copyleft licensing. This site itself is licensed under a copyleft license, and has received contributions from experts around the world. Thus, copyleft.org is the premier "meta-project" of copyleft: it's useful copylefted information all about copyleft itself!
 

	
 
Examples of Copylefted Material:
 

	
 
1.The Communist Manifesto, by Karl Marx: Copyleft: Marxists Internet Archive (marxists.org) 1987, 2000, 2010. Permission is granted to
 
distribute this document under the terms of the Creative Commons Attribution-Share-Alike License. (https://www.marxists.org/archive/marx/works/download/pdf/Manifesto.pdf)
 
2. http://sourceforge.net/ contains a large variety of computer software that has been CopyLefted to constitute as free software (http://e107copyleft.blogspot.com/p/examples-of-copyleft.html)
 
3. Girl Talk is an artist who samples audio tracks from popular songs as well as vocal tracks and remixes the two together to form new songs under the 'fair usage' rights of CopyLeft.(http://e107copyleft.blogspot.com/p/examples-of-copyleft.html)
 

	
 
The Copyleft Guide and Tutorial
 

	
 
The primary project currently on this site is a tutorial book entitled [*Copyleft and the GNU General Public License: A Comprehensive Tutorial and Guide*]. This guide describes the policy motivations for copyleft, presents a detailed analysis of the text of various copyleft licenses, and gives examples and case studies of copyleft compliance situations.
 

	
 
Getting Involved
 

	
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