Provide a basic knowledge of the concepts of multi-user worlds, primarily from the point of view of the end user and world designer/builder.

Multi-user systems
Avatars
Gestures
Inter-avatar communication
Locations
Entities

"DeepMatrix - An Open Technology Based Virtual Environment System"
(http://www.geometrek.com/developers/docs/matrix_toc.html)

Core Living Worlds (http://www.geometrek.com/developers/corelw.html)

Download the Deep Matrix package from Geometrek to create more advanced MU worlds.