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Louis Columbus has more than 18 years of experience in the computer industry. He has written 12 books and more than 40 articles on the Internet, e-commerce, and computing topics, including Realizing e-Business with Application Service Providers (SAMS, 2000, ISBN 0-67232-053-3); The Microsoft Windows 2000 Professional Handbook (Charles River Media, 2001); and Administrator's Guide to E-Commerce: A Hands-On Guide to Setting Up Systems and Websites Using Microsoft BackOffice (Howard W. Sams & Company, 1999). He received his MBA in marketing and finance from Pepperdine University and his Bachelor's in Business Administration from the University of Arizona.