Differences between .NET 3.0 and 3.5?

Question

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

Answer 1

ASP.NET AJAX was built in for 3.5

.Net 3.0

.net 2.0 + WF + WPF + WCF + Platform

.Net 3.5

.Net 3.0 + LINQ, ASP.NET AJAX, new controls, richer WCF support (including REST, AtomPub) and several other features

For more information, see .NET Frameworks , which shows the difference and added features from .net frameworks 1.0 and

Answer 2

Big one LINQ