Here are some key features of "Microsoft Silverlight": Compelling Experiences ? Custom branded experiences using 2D vector graphics, animation, styling, and skinning ? HD video and adaptive streaming techniques for world-class media experiences ? Highly sophisticated RIA's across major browsers on Mac, Windows, Linux, and devices ? Unparalleled interactivity with high resolution content through Deep Zoom technology enabling smooth browsing independent of screen size New Markets ? Multi-channel deployment of web applications to the desktop and devices through .NET ? Cost effective media delivery via Windows Server ? Monetization of media assets via protected content and advertising-enabled scenarios ? Thriving ecosystem of .NET and Windows Media partners, developers, and applications Team Productivity ? Rapid development through XML-based declarative markup and a full set of controls Role-specific productivity tools to enhance designer--developer collaboration, with Expression Studio, Visual Studio, and Visual Studio Team System ? Flexible programming model that supports JavaScript, C#, VB.NET, AJAX, IronPython, IronRuby, and support for LINQ while accessing data over the network ? Easy to add richness to AJAX applications and reduce cross-browser issues