<A target="_blank" href="http://www.zdnet.com/blog/microsoft/microsoft-to-developers-metro-is-your-future/10611">Win8 uses a new "Metro Style" for applications instead of the older Silverlight and .Net,</A> moving the OS closer to WinPhone. For developers, this means learning a new way of working. Notably absent from the classes on building for the new OS is Silverlight.