Check out Jason Perlow's blog entry re: Facebook's infringement on privacy.

"What I am now seriously considering doing is turning my regular FaceBook profile into a completely minimalistic stub, de-activating all Wall capabilities and removing all personal information beyond very basic data. My on-line sarcophagus, where only the “inner priesthood” can examine my mummified form."

http://blogs.zdnet.com/perlow/?p=12846