Happy Friday, everyone! This week’s Free Friday feature is going to be of most interest to the developers. We’ve got lots of great training on writing programs for Windows Phone 7. Let us know which ones you find the most helpful.

Windows Phone 7 Jumpstart Series

Think of this as a semester's worth of class time to help you in your quest to be an awesome Windows Phone 7 developer.

Windows Phone Design Days

In these raw recordings of a recent deep-dive conducted with a small group of partners and agencies, you will get insights into the research and the process that our teams go through to build great customer experiences like those of Zune and Windows Mobile.

Windows Phone 7 in 7 Minutes!

This is a series for developers who want to pick up the basics quickly with brief explanations and hands-on examples. Demonstrations and code samples are based on the beta release of the Windows Phone 7 Developer Tools.

Windows Phone 7 Firestarter

This is a one-day event taking place in 11 cities across the US. It will take you behind the scenes with an inside look at the philosophy, design language, and the fundamentals of Silverlight and XNA coding for Windows Phone 7. See if it’s coming to a city near you.