A book I read recently that I think others on HN would appreciate is Robert Scheer's latest book, "They Know Everything About You: How Data-Collecting Corporations and Snooping Government Agencies Are Destroying Democracy". Here's a link to the book on AMZN: http://www.amazon.com/They-Know-Everything-About-Data-Collec...
Highly recommended to anyone that cares about their privacy online!