User Interface Engineering is a leading research, training, and consulting firm specializing in web site and product usability. Every year, Jared M. Spool and his team of researchers oversee the User Interface Conference, a four-day event covering the biggest issues in the world of design, and the annual Web App Summit, a three-day event examining the world's best web applications. Learn from the comfort of your own office with UIE Virtual Seminars. For our latest usability research, read our Articles and UIE Report Series.