Tune in as we explore the new features in the Microsoft .NET Framework 3.5 that developers will love. We detail the new assemblies added to the .NET Framework 3.5 to avoid breaking changes, including deep integration with Language-Integrated Query (LINQ); ASP.NET Asynchronous JavaScript and XML (AJAX); and full tooling support in Microsoft Visual Studio for Windows Workflow Foundation (WF), Windows Communication Foundation (WCF), and Windows Presentation Foundation (WPF).