Read this article and definitely watch the embedded video of Albert Shum, the guy who drove the user experience design for Windows Phone 7 Series.

The entire team from engineering to marketing to human resources has been (diabolically? maniacally?) programmed by Albert and other key leaders to ensure every decision is made mindful of the fact that THE END USER IS KING.

http://www.microsoft.com/presspass/features/2010/feb10/02-15WindowsPhone7.mspx