'Good for the world'? Facebook emails reveal what really drives the site

Analysis: documents show internal discussions focused on exploiting developers' hunger for user data to increase revenue

The central mythos of Facebook is that what's good for Facebook is good for the world. More sharing, more friends and more connection will "make the world more open and connected" and "bring the world closer together", Mark Zuckerberg has argued, even as his company has been engulfed by scandal.

But confidential emails, released Wednesday by the British Parliament, reveal the hardheaded business calculations that lurked beneath the feel-good image projected by Zuckerberg and Facebook.