There's no doubt about it -- Facebook is cool. Along with users who want to interact with friends, businesses are using Facebook as a marketing and networking tool. And if you're a Web developer, you probably know there's a demand for Facebook applications. If you have some basic knowledge of Web client technology, such as HTML, JavaScript, or CSS, and know how to use a Web programming language, Building Facebook Applications For Dummies is just what you need to start building apps for Facebook. This friendly guide helps you create applications to reach Facebook's huge audience, so you can enlarge your list of friends, introduce people to your product or service, or network with other business professionals. You'll find out how to: Work with the Facebook API Build applications that take advantage of Facebook's News Feed and Wall Migrate existing Web applications to Facebook Create mobile apps for Facebook Use Facebook's markup and query languages Get your app noticed by Facebook users A handy companion Web site includes code samples, starter applications, and other useful information about building Facebook apps. Whether you want to create applications for business purposes or just for fun, Building Facebook Applications For Dummies is the fun and easy way to get started.