Frontline's Facebook documentary sheds new light on company's mistakes

"I realized that because I didn't have people's information I needed to make it interesting enough so people would want to use the site and want to, like, put their information up."
That's the explanation a very young Mark Zuckerberg, clutching a beer-filled Solo cup in one hand, gave in response to a question about the social network's beginnings. 
Though perhaps not the most surprising thing Facebook's founder has ever uttered, it's an extremely telling statement that might make you quest