The Center for Digital Democracy and the Electronic Privacy Information Center both advocate for consumer privacy.

The Center for Digital Democarcy -- http://www.democraticmedia.org/

The Electronic Privacy Information Center -- http://epic.org/

These two organizations were mentioned in Wendy Davis' Friday, January 11, 2008 "Just an Online Minute" post. It can be found at http://blogs.mediapost.com/online_minute/?p=1642