Microsoft's new Microsoft Silverlight technology to create beautiful user interface and powerful web applications. The technology was first introduced by Microsoft in Windows Presentation Foundation, or WPF to set the world of software was introduced as one of the new features of .NET Framework 3.0 andWindows Vista was mentioned. Silverlight technology, a runtime interface to run Web applications (Rich Internet Applications) provides that the Mac 's integrated animation files, multimedia , video and other capabilities of WPF with the possibility of using technologies such as AJAX, XML , JavaScript programmers to the web.
Silverlight formats MP3, WMA, WMV internally supported. This means that the user to play back your files with this extension does not have the Windows Media Player or ActiveX on your system. Silverlight also supports ASF format, but Silverlight is licensed to use this format for non-commercial personal use is permitted.
Many people believe that Microsoft's goal of providing the technology only to compete with Adobe Flash technology is. But the reality is something else. Microsoft's goal of providing valuable technology such as changes in user interface software Web will follow. Silverlight runs only one time to create animation is dynamic, technology-based Web browser that comes with a run-time technologies such as AJAX and .NET Framework numerous and powerful, the programming language of the Mac 's development program Web is a powerful and flexible.

Features plug-in Microsoft Silverlight:
- Customize them using a two-dimensional vectors, animation, style and skin (skinning)
- HD video streaming techniques
- A unique interaction with high-resolution content through Deep Zoom technology
- The ability to zoom images regardless of screen size
- New markets
- Development of multi-channel web applications through .NET for PC
- Increasing team productivity
- The possibility of rapid development on the basis of XML-based
- Flexible application supports JavaScript, C #, VB.NET, AJAX, IronPython, IronRuby
- The possibility of adding an AJAX applications
- And ...