http://readwrite.com/2014/04/11/facebook-privacy-controls-hand-them-over#awesm=~oBXuMo1qypNZF8

In fact, Mark Zuckerberg famously said, “Having two identities for yourself is an example of a lack of integrity.”

Our Constitutions prescribe a right to privacy of communications and of vote (and therefore of political opinions) in order to protect the freedom of speech, association and participation of that large part of the population that cannot always say what they think.

By eliminating privacy we eliminate (what’s left of) democracy.