There are a variety of tasks you can perform in the background using Windows Store apps. Background tasks enable you to create apps that can run on low-power devices and minimize battery drain while still providing the user with a real-time, always connected experience. This article just touched the surface of WinRT’s capabilities. To learn more, pick up your copy of Programming the Windows Runtime by Example. It will help you dive deeper into the free examples provided at http://winrtexamples.codeplex.com.