Lawmakers Want More Privacy Answers from Facebook

Reps. Ed Markey, D-Mass., and Joe Barton, R-Tex., lashed out at Facebook for failing to clearly explain how -- and why -- the social networking giant systematically compiles tracking data on its 800 million members, and millions more non-members. Markey and Barton were left unsatisfied by a six-page explanation they recently received from Erin M. Egan, Facebook's Chief Privacy Officer.