Facebook is special in the sense that it is not going away. Ever since we climbed down from trees (and even before then) we have been obsessed with social hiera

Facebook is special in the sense that it is not going away. Ever since we climbed down from trees (and even before then) we have been obsessed with social hierarchy, staying on top, in touch and in control. Facebook is just another way to interact with our fellow humans. It may not have the profound, society shaking, impacts that Google has, but it does cater to a fundamental human desire - societal interaction. And, as such, it is special and not going away.