See Catherine Crump (ACLU and PRG member) quoted in this article about employers and prospective employers asking for access to Facebook accounts:
http://www.cnn.com/2012/03/22/tech/social-media/facebook-password-employers/index.html
Tag: facebook
-
Facebook passwords
-
Facebook Privacy: Gay Users Outed to Advertisers
Article via Ars Technica in which researchers discovered that Facebook may inadvertently be outing gay users to its advertisers.