Version 1.0 of Silverlight used JavaScript and supported the industry-leading Windows Media Services enabling delivery of audio and video that includes 2D and vector graphics.

Version 2 includes all features of version 1.0 and:

• support for the .NET Framework.
• support for .NET-compliant programming languages such as C#, Visual Basic, Python, and Ruby.
• support for database operations and language-integrated query (LINQ).

The figure below illustrates the major differences between version 1.0 and version 2:

The diagram located at ClassFiles/WhatIsSilverlight/Demos/SilverlightTechnologyMap.gif gives a broad picture of the technologies to be supported by Silverlight version 2.