Read original post by Eric Vogel at Visual Studio Magazine
Push notifications have been available on mobile devices for the past few years, but are just recently making their way to the desktop. At last year's BUILD conference, Microsoft announced its push notification strategy for Windows 8, which uses the Windows Push Notification Service (WNS).WNS is very similar to the Microsoft Push Notification Service (MPNS) used by Windows Phone 7 applications. I'll first go over the various types of push notifications available to developers in the current Windows 8 Consumer Preview, and then how to implement each of them.