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Loren Abdulezer is editor-in-chief of Xcelsius Journal (www.XcelsiusJournal.com), the online magazine for Xcelsius users, and founder of the Xcelsius Best Practices website (www.XcelsiusBestPractices.com). He is president and CEO of Evolving Technologies Corporation, a New York-based technology consulting firm specializing in visual data analysis. His books include Excel Best Practices for Business and Escape from Excel Hell.