Mark Zuckerberg discuss the future of Facebook's mission, the process of going public, and his recent challenges. Subscribe to TechCrunch Today: bit.ly/18J0X2e Watch more from Disrupt SF 2013: bit.ly/1cYXBuV TechCrunch Disrupt is one of the most anticipated technology conferences of the year. From September 7-11, 2013, TechCrunch hosts Disrupt back in San Francisco to reveal an all new slate of outstanding startups, influential speakers, guests and more to the stage.