Donald A. Norman is the Breed Professor of Design at Northwestern University, a former Vice President at Apple Computer, and a partner in the Nielsen Norman Group Consulting Firm, which consults with corporations on design. He is the author of a number of books on design, including Emotional Design and The Design of Everyday Things. He lives in Palo Alto, California, and Evanston, Illinois. www.jnd.org

Donald A. Norman is the Breed Professor of Design at Northwestern University, a former Vice President at Apple Computer, and a partner in the Nielsen Norman Group Consulting Firm, which consults with corporations on design. He is the author of a number of books on design, including Emotional Design and The Design of Everyday Things. He lives in Palo Alto, California, and Evanston, Illinois. www.jnd.org

Donald A. Norman is the Breed Professor of Design at Northwestern University, a former Vice President at Apple Computer, and a partner in the Nielsen Norman Group Consulting Firm, which consults with corporations on design. He is the author of a number of books on design, including Emotional Design and The Design of Everyday Things. He lives in Palo Alto, California, and Evanston, Illinois. www.jnd.org