While WordPress has certainly made it big in the blogging world, this book starts with the premise that it's also possible to build any web application using WordPress as a framework. If you have some WordPress experience, you have the skills you need to pursue app development with this popular tool. This book shows you how. Use ecommerce and membership plugins to collect payments. Create a single sign in process, such as using Facebook to log into WordPress Build mobile apps and other native apps with WordPress. Learn how to secure your WordPress app. Make WordPress plugins work together and customize them to do your bidding. Hide the fact that your site was built with WordPress.