"Zuckerberg may seem like an over-sharer in the age of over-sharing. But that’s kind of the point. Zuckerberg’s business model depends on our shifting notions of privacy, revelation, and sheer self-display. The more that people are willing to put online, the more money his site can make from advertisers. Happily for him, and the prospects of his eventual fortune, his business interests align perfectly with his personal philosophy. In the bio section of his page, Zuckerberg writes simply, 'I’m trying to make the world a more open place.'"