Social software is any software that supports group communications. The dynamics of social software are significantly different from traditional interactions.
Social Software and the Politics of Groups, Clay Shirky, First published March 9, 2003 on the "Networks, Economics, and Culture" mailing list (http://www.shirky.com/writings/group_politics).
... as a means of preventing enforcement of laws against fraud and other wrongdoing. Since DRM is unlikely to be so used by individuals, only corporate skullduggery is ...