What are the differences between .NET Framework 3.0 and 3.5?

Answer:

- .NET 3.0 is the combination of .NET Framework 2.0 with WCF, WPF, WF and cardspace.
- .NET 3.5 is the combination of .NET Framework 3.0 with New AJAX controls, LINQ, Richer WCF support, Silverlight Support...