The boundaries between different kinds of media spaces are complex and challenging. The convergence of computing, media, and telecommunications produces environments that contain elements of their origins, but also contain new components that allow interaction in new ways by new users with new kinds of information. This poses problems for effective human computer interaction and human media interaction because the paradigms are not well understood. Converged environments are driving these new uses just as the first PCs supported keyboards and then WIMP interfaces. Traditional models of human computer interaction are not adequate to deal with this complexity, and the shifting of the boundaries brought about by convergence.