by Mike Ormond

Excellent write up from ScottH that details how he built his first Windows Phone app and includes links to lots of great libraries / tools / frameworks to accelerate the development process (and even create a website for your app).
From Concept to Code in 6 hours: Shipping my first Windows Phone App

A great walk-through of using the profiling capabilities in the Windows Phone SDK 7.1 for tracking down memory issues.
Memory Profiling for Application Performance

Information that we’ve added the Argentina, Indonesia, Malaysia, Peru, and the Philippines markets
Marketplace now open in 5 new markets

If you want to get involved in the community around Windows Phone in the UK, there are dedicated, active Windows Phone User Groups in London, Cardiff and Manchester.
Windows Phone User Group

Mike Ormond
Microsoft Developer Evangelist
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As an evangelist here at Microsoft I’m all about enabling talented developers to build great applications on Microsoft Windows Phone 7.