Zoomable user interfaces (ZUIs) have received a significant amount of attention in the 18 years since they were introduced. They have enjoyed some success, and elements of ZUIs are widely used in computers today, although the grand vision of a zoomable desktop has not materialised. This paper describes the premise and promise of ZUIs along with…

Animated pedagogical agents (APAs) are known to possess great potential in supporting learning because of their ability to simulate a real classroom learning environment. But research in this area has produced mixed results. The reason for this remains puzzling. This paper is written with two purposes: (1) to examine some recent research and…

Describes graphical elements--backgrounds, buttons, rules, and enhancements like drop shadows--that can transform Web pages without significantly increasing download time. Used thoughtfully and consistently, such graphical elements can create a unique style that serves as a personal Web page trademark. (AEF)