Public Domain Mark
Encyclopedia
Public Domain Mark is a way of distinguishing works that are free of known copyright being advocated by the Creative Commons
. See http://creativecommons.org/publicdomain/mark/1.0/ for details.
Creative Commons
Creative Commons is a non-profit organization headquartered in Mountain View, California, United States devoted to expanding 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...
. See http://creativecommons.org/publicdomain/mark/1.0/ for details.