How are social relations appearing in computers? How are social relations realised in a different kind of medium, in the hardware and software of computers? How are the organising principles of computer building related to those of the life-worlds in a social system? Following a partly social constructivist and partly hermeneutic line a more general answer will be presented. The basic conclusion of this approach is simple: computers are constructed under the influence of the ideas of modernity and represent its (...) structure, interests and values, in contrast to computer networks, which embody the ideas of postmodernity. (shrink)