Jakob Nielsen is a principal of the Nielsen Norman Group and has been called "the world's leading expert on Web usability" by U.S. News and World Report. His Alertbox column has been published on the Internet since 1995 (www.useit.com). A previous Sun Microsystems Distinguished Engineer, Nielsen is the author of numerous books, including the worldwide best-seller Designing Web Usability (New Riders, 2000).
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