what is Silverlight

Microsoft Silverlight is a cross-browse,cross-platform plug-in for delivering the next generation of .NET based media experiences and rich interactive applications for the web.
silverlignt offers a flexible programming model that supports AJAX,VB,C#,Python,adn rudy,and integrates with existing Web applications.Silverlight supports fast,cost-effective delivery of high-quaility viedo to all major browses running on the Mac OS or windows

Silverlight 是一个跨浏览器,跨平台的插件,为网站带来下一代基于.NET媒体体验和丰富交换应用程序.
silverlignt  提供了一种灵活的编程模式,去持AJAX,VB,C#,Python,rudy,集成到现有的网站应用程序中去,Silverlight 对运行在Mac 或 Windows操作系统的主浏览器提供了快速的,低成本的,高质量的传输