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James Kobielus has more than 15 years experience as an analyst in the distributed computing and telecommunications industry. He is a recognized authority on strategic telecommunications and information systems topics, and is an occasional speaker at network-computing industry conferences. He is a contributing editor for Network World, and writes its popular column "Above the Cloud." He is the author of more than 150 columns, books, feature articles, and buyers' guides, including Measuring Business Value of Information Technologies (International Center for Information, 1987, ISBN 0-9450-9802-2) and Workflow Strategies (IDG, 1997, ISBN 0-7645-3012-7). His latest book is BizTalk: Implementing Business-to-Business E-Commerce (Prentice Hall PTR, 2000, ISBN 0-13-089159-2).