"Wikis often import material from a wide variety of sources,
many of which use the CC-BY-SA license," said Brett Smith,
licensing compliance engineer at the FSF. "Wikipedia, however, uses
the GNU FDL. The incompatibility between these two licenses has
been an obstacle to moving material back and forth between these
sites. The new provision of FDL version 1.3 will give Wikipedia and
other wikis another chance to choose the licensing policies they
Some of the products that appear on this site are from companies from which QuinStreet receives compensation. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. QuinStreet does not include all companies or all types of products available in the marketplace.