Here's a good place to start: https://www.eff.org/issues/privacy The issues list...

		Futurebot on July 13, 2012 \| parent \| context \| favorite \| on: Report: Facebook Monitors Your Chats for Criminal ... Here's a good place to start: https://www.eff.org/issues/privacy The issues list in the sidebar digs into each topic a little bit more deeply (cell tracking, biometrics, etc.)