Another Insanely Viral Application

David Gentzel is one of the top Facebook developers right now. He has launched a number of other applications that each have millions of users. His most recent creation, Happy Hour, has added close to 1 million users in under a week. If you want to figure out an effective way of developing viral applications, look no further than David’s applications. Happy Hour requires that you invite at least 5 people prior to entering the application.