This document summarizes a presentation about developing applications for Windows Phone 7 using Silverlight. It introduces Windows Phone 7, Silverlight for Windows Phone, and the Blend design tool. It covers common Silverlight controls and concepts like layouts, transforms, animations, styling and binding. It also discusses LINQ and code reuse in Silverlight. The presentation aims to demonstrate how to create a simple Silverlight app and use Blend 4 for designing the user interface.