­Facebook has 850 million users, with over half logging in daily. How quickly will it continue to grow? Will its IPO only contribute to a new tech bubble? Will Facebook’s success among users translate into sizeable profits? Will Mark Zuckerberg and investors find common language? And will Facebook have to create a breakthrough to generate more money? CrossTalking with Peter Leeds, Gareth Feighery and Jay Ritter on Feb. 8.