http://blogs.msdn.com/b/devkeydet/archive/2010/09/24/you-re-invited-windows-phone-7-developer-event.aspx          Windows Phone 7 Developer Launch Windows® Phone 7 is here – and with it comes a new world of opportunity for passionate, creative developers. Windows Phone 7 gives you the power to build complex, robust applicationsen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)