'''CC-BY-SA''' is a license of more than 3,100 words that exists in several different versions (e.g., "3.0"). It was adopted by Wikipedia in 2009 to replace the GFDL, the even more complicated license that Wikipedia was previously using. | '''CC-BY-SA''' is a license of more than 3,100 words that exists in several different versions (e.g., "3.0"). It was adopted by Wikipedia in 2009 to replace the GFDL, the even more complicated license that Wikipedia was previously using. |