Kim Halskov Madsen Up until a few decades ago, business administration and science were the primary areas in which computers were applied, but terms like pervasive computing reflect that interactive computing power is becoming an embedded part of people's every- day environment, not only office buildings and private homes but also art and cul- At one of the frontiers of multimedia applications computers are used as tural events. part of experimental theatre, puppet theatre, musical performances, museums, entertainment, and learning. In some of these domains, people interact with the computers...