WP7: Windows Phone 7 Jump Start Sessions

Microsoft has posted the Windows Phone 7 Jump Start Sessions, which consist of 12 videos (each of them is about one hour).The Topics are:Session 1 - Introduction Session 2 - Building a Silverlight Application, Part 1 Session 3 - Building a Silverlight Application, Part 2 Session 4 - Building Games for the Windows Phone 7 Platform Session 5 - Building XNA Games for the Windows Phone 7 Platform,