The (d)evolution of Facebook's privacy policy

The Electronic Frontier Foundation has an ineresting review of key changes to Facebook's privacy statement, ending with this conclusion:

Facebook's Eroding Privacy Policy: A Timeline Electronic Frontier Foundation
...Viewed together, the successive policies tell a clear story. Facebook originally earned its core base of users by offering them simple and powerful controls over their personal information. As Facebook grew larger and became more important, it could have chosen to maintain or improve those controls. Instead, it's slowly but surely helped itself — and its advertising and business partners — to more and more of its users' information, while limiting the users' options to control their own information.