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Keith Ballinger is the Program Manager for the Web Services Enhancements for Microsoft .NET at Microsoft. He was a key contributor to several features in the .NET Framework and Visual Studio .NET, including ASP.NET Web services. Keith is coauthor of the Web Services Inspection Language specification, and he regularly speaks at a variety of conferences, including Microsoft Tech Ed, the XML Conference & Exposition, and the Microsoft Professional Developers Conference. He is also coauthor of Special Edition: Using Active Server Pages™ (Que, 1998).