Designers, manufacturers and consumers are faced with the challenge of how the usability and acceptability of information and communication systems can be improved in such a way that better human-oriented computer systems can be made available. The papers in this volume, contributed by decision-makers, managers and researchers from all over the world, assess the impact of Human-Computer Interaction on advanced information systems, analyze users' needs, and develop solutions which will influence the trends in technological developments. The book discusses the following key questions: What are the most significant trends in human computer interaction? What are the important trends in information technology? What effect does information technology have on the competitive environment and new organizations? What is required of further information technology development from the user's point of view?