Microsoft Windows 7 sales to reach 450,000,000 copies soon!!
Windows 8 tablet out for developers preview !!!
Follow the link below to see the details of the hands on :
Silverlight runs on Windows, MAC, Linux (via Moonlight Project),Winodws Phone 7, Nokia Symbian S60 Phones, Set Top Boxes, XBox
Silverlight is a cross-platform .NET runtime, cross-browser plug-in, and a set of Windows-based developer tools for building RIAs. At its heart, Silverlight is an implementation of the concepts and standards from Windows Presentation Foundation (WPF) such as binding, the property system, and Extensible Application Markup Language (XAML) in a crossplatform version of the .NET Common Language Runtime (CLR) and libraries.