Nick O'Neill (Social Times), Mike Sego ((fluff)Friends), Keith Schacht (42 Friends LLC), Tim O'Shaughnessy (Hungry Machine), Zach Allia (Free Gifts)--Apps with millions of users are great, but if your users never come back how much is it worth? Find out how to design and build for fanatic user engagement, how to create retention strategies and measure the results, and ultimately get users addicted to your application or widget for life—or at least a few months :).
