Now, after Beta tools released it is a time to start talking about new features and changes since Apirl CTP. This is the first part of two parts blog post about push notification mechanism in Windows Phone 7. The API described in this article according to recently released Beta version of Windows Phone Development Tools (WPDT). Windows Phone 7 application can’t run in the background (performance, battery life, usage of radio) and therefore there is a need to have a mechanism that facilitates a communication...