Mark Zuckerberg, Benjamin Link and Chamath are available for questions. Mike Arrington first asks when they plan on launching the payment platform. Mark Zuckerberg reponds “I wish I knew.” Eric Eldon of Venturebeat asks about how they are selecting applications which they end up shutting down. According to Ben Ling it is based on a history of violations. Jesse Stay asks, “When can we start working with the iphone integration?” Robert Scoble asks about improvements to the messaging capabilities. Mark Zuckerberg says they will.