With more than 60 million users, Facebook provides a captive audience for developers. More than 12,000 Facebook applications have been launched so far: Is yours next? It could be, with this book. You’ll see how to develop Facebook Platform applications quickly, using the popular Ruby on Rails framework. You’ll learn to use Facebook technologies such as FBML and FQL, and you’ll see how to leverage Rails and the Facebook Platform to make your application a success.