Nielsen Norman Group
World Leaders in Research-Based User Experience We are a UX research and consulting firm trusted by leading organizations world-wide to provide
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Jakob Nielsen
Jakob Nielsen (born October 5, 1957, in Copenhagen, Denmark) is one of the most respected people in the world on usability on the web. This interface
Donald Norman
Donald A. Norman (December 25, 1935) is Emeritus Professor of Cognitive Science at the University of California, San Diego and Professor of Computer