This book is intended for everyone in a Web site business, from graphic designers, interaction designers, and software developers to businesspeople. Job titles of the book's readers could include Web Designer, Interaction Designer, Customer-Experience Manager, Usability Researcher, Web Programmer, Software Engineer, Web Business Manager.

Douglas K. van Duyne, entrepreneur and software designer, is cofounder and a principal of Naviscent, a Web research and design firm. He has been an innovator in customer-centered design, online shopping, e-commerce, and multimedia development for numerous Global 2000 companies.

James A. Landay is a professor of computer science at the University of Washington. Previously, he served as the director of Intel Research Seattle, which focuses on the emerging world of ubiquitous computing, and as an associate professor for computer science at the University of California, Berkeley.

Jason I. Hong is a computer science professor in the Human-Computer Interaction Institute at Carnegie Mellon University.