Unlock Visual Studio’s full potential

Windows Phone 8 is the next big thing, and the press is already raving about new devices. With new capabilities, new sensors and improved performance, Windows Phone users have devices which are the best on the market. In this code-packed session, we will talk about advanced features such as asynchronous programming, web connections, mapping and location, background operations (multitasking) and other exciting topics.
Why can
T I play this video on my surface with the Silverlight? Now have to first download it and then play it in native player?