True, but we haven't yet witnessed the consequences of giving up so much of our private information to Facebook (including but not limited to our Web browsing p

True, but we haven't yet witnessed the consequences of giving up so much of our private information to Facebook (including but not limited to our Web browsing patterns, unique identity, and social graph). When access to our private information becomes systematically abused for power and profit, then people will be more than anxious about what they've given up.