Do you have an idea for a Facebook application? With "FBML Essentials", you'll learn how to build it quickly using the Facebook Markup Language (FBML) and other easy-to-use tools in the site's framework. If you can develop a website with HTML, writing a Facebook application with the help of this book will be a breeze. Of course, Facebook is not just another website. Any applications you write for it will have a potential audience of 16 million dedicated users. It's not just another social networking site, either. Under the surface, Facebook is pretty sophisticated, with a development toolkit that includes it's own modified version of HTML - FBML - to customize the look and feel of your Facebook applications.With "FBML Essentials", you not only learn how to get started with this toolkit, you also get a complete reference on every FBML tag Facebook has ever written, with examples of how each tag works and advice on the best ways to use these tags in your code.