Developers Gain Access to Windows Phone Mango Beta
All registered developers can now download the beta release of the Windows Phone "Mango" build from the create.msdn.com hub. They can also access the second beta release of the Windows Phone SDK. Mango will begin shipping on new phones sometime this fall.
New features in Mango include the IE 9 browser with HTML5 support, Twitter integration, multitasking for third-party apps and expanded Bing search functionality.