Silverlight 4 Brings Assembly Sharing with .NET

Silverlight 4 Brings Assembly Sharing with .NET: "Assemblies built in Silverlight 2 and 3 are not binary compatible with the .NET Framework, so if you want to share code you need generally need to dual-compile. With Siverlight 4 and .NET 4, you will be able to use some Silverlight-based assemblies from within .NET 4. By Jonathan Allen"