Since the availability of WWW-MOO Interfaces in 1994 (e.g. see the pioneering BioMOO and Sense Media's MOOs), a whole set of new perspectives has been opened to the MOO world.
In this chapter we wish to address the issues of ``Living Hypertext'' in its relation to Computer Supported Collaborative Work (see [Tennison, 1995a] and [Tennison, 1995b]) and the MOOs as spacial cooperative user interface to hypermedia (see [Dieberger et Tromp, 1993] and [Dieberger, 1994b]).