Find out how today's most innovative social media companies have set the pace in an industry where, if you're not evolving, you're not winning. What are their plans for 2013, and what can the rest of us learn from their success?

moderator: Anjali Mullany, Social Media Editor, Fast Company

Josh Miller, Founder, Branch

Jonathan Perelman, Vice President of Strategy at Buzzfeed

Jared Cluff, Senior Vice President of Marketing at Fab

Lee Brown, Global Head of Sales at Tumblr