The single biggest problem in communication is the illusion that it has taken place.
George Bernard Shaw
This chapter provides you with an introduction to push notifications and their implementation on Windows Phone 7 devices. Push notifications are a facility that allow servers hosted publicly on the Internet (or “in the cloud” as people like to call it these days) to send messages directly to applications installed on mobile devices, oftentimes even when those applications are not currently running or active.
The underlying implementation of push notifications between Microsoft and Apple differs greatly in the details, but the overall goals are the same. Push notifications allow your application to be kept up to ...