Computers, like all other tools, inevitably create new problems as they are applied to solve existing ones. At least three of these problems are germane to psychology: the use of computers for ulterior purposes, the proliferation of informational waste, and the erosion of ignorance as an excuse for misconduct. Such problems created by computer solutions can explain the difference between optimistic prophecies about computing and recent computing experience. They cannot be solved by further applications of computers–indeed, they will limit the utility of further applications and eventually halt the growth of computing. The role of psychology in addressing these problems is discussed. 1984 The Society for the Psychological Study of Social Issues