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Tyson Gill is the director of information technology at Alitum, Inc., in San Diego, California. He also teaches Visual Basic and Microsoft.Net programming at the University of California, San Diego. He is well known for his influential presentations on design, architecture, planning, and coding. Tyson is the author of Visual Basic 6: Error Coding and Layering (Prentice Hall, 2000, ISBN 0-13-017227-8) and the upcoming title Planning Smarter: Creating Blueprint-Quality Software Specifications (Prentice Hall, 2001).