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The past decades have seen huge improvements in computer systemsbut these have proved difficult to translate into comparableimprovements in the usability and social integration of computers.We believe that the problem is a deeply rooted set of assumptionsabout how computer systems should be designed, and about who shouldbe doing that design. Human… (More)
In 2020, digital systems will be an integral part of the interaction between people. They will help both in the maintenance of each person's individual perspective, and in the interplay between peoples' differing perspectives; they will help people and organizations respond effectively to local circumstances, and maintain the coherence as necessary for… (More)
ustin Henderson has a Ph.D. in Computer Science from MIT and has been in the field of Human-Computer Interaction for more than twenty-five years. He has built applications in several areas including manufacturing, air traffic control, electronic mail, user interface design tools and workspace management. He has done research and user interface architecture… (More)
Models help bridge the gap between observing and making---especially when systems are involved (as in designing for interaction, service, and evolution). This forum introduces new models, links them to existing models, and describes their history and why they matter.