This tutorial shows you how to create a Prism application in Silverlight. This hyper-video contains code you can actually see and copy. If you're just interested in just the code, see the Prism code in text form. Prism can be thought of as a set of libraries that help Silverlight applications be scalable and testable. It has a number of features (modularity, view regions and commanding) that help with this. This guide shows you how to get started writing a Prism application in Silverlight.