One of the most popular open source blogging and content management systems, Wordpress lets you create a website to promote yourself or your business quickly and easily—and better yet, it's free. WordPress is a flexible, user-friendly system, and it can be extended with a variety of themes and plugins. Beginning WordPress 3 is a complete guide for the beginning developer who wants to start using WordPress. You'll learn how to publish and manage online content, add media, create widgets and plugins, and much more.