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Jakob Nielsen

Jakob Nielsen, Ph.D., is a principal of Nielsen Norman Group. Dr. Nielsen has been called the world's leading expert on Web usability by U.S. News and World Report. He is the author of numerous best-selling books, including Prioritizing Web Usability and the groundbreaking Designing Web Usability, which has sold more than 250,000 copies and has been translated into 22 languages.


Jakob Nielsen