Windows 8 provides interesting way to “interact” with user even when application is not active anymore. Push Notifications Windows Push Notifications (WNS) in Windows 8 is quite similar to the Windows Phone 7 Push Notification (MPNS) model. It uses cloud-based push notification services to deliver notifications to registered clients. To enable application receiving push notifications developer must register it at Windows Push Notifications & Live Connect site. The process is very simple...