Basic difference between .net 3.5 and 4.0

.net, comparison

Solution

MSDN has a number of "What's New" pages up, including:

- "What's New in Visual Studio 2010"

- "What's New in the .NET Framework 4"

Problem

Please tell me the basic difference between dotnet 2008 and 2010(3.5 and 4.0)

Original source