Rae Earnshawand John A. Vince --_. . _----- 1 Introduction The USPresident's Information Technology Advisory Committee (PITAC)recently advised the US Senate of the strategic importance of investing in IT for the 21st century, particularlyin the areas of software, human-computer interaction, scalable information infrastructure, high-end computing and socioeconomic issues 1]. Research frontiers ofhuman-computer interaction include the desire that interac tion be more centered around human needs and capabilities, and that the human environment be considered in virtual environments and in other...

Rae Earnshawand John A. Vince --_. . _----- 1 Introduction The USPresident's Information Technology Advisory Committee (PITAC)recently advised the US Senate of the strategic importance of investing in IT for the 21st century, particularlyin the areas of software, human-computer interaction, scalable information infrastructure, high-end computing and socioeconomic issues 1]. Research frontiers ofhuman-computer interaction include the desire that interac- tion be more centered around human needs and capabilities, and that the human environment be considered in virtual environments and in other...