MetaVerse

the Virtual World from SnowCrash, or a more general conception of the same thing http://en.wikipedia.org/wiki/Metaverse

http://www.metaweb.com/wiki/wiki.phtml?title=Metaverse

The Metaverse Roadmap group hoped (2006) to define a process of getting to a widespread MetaVerse implementation.

• they have a wiki for drafting their document

ActiveWorlds is a "big" player here. (Ron Britvich, Alpha World, Worlds Inc) http://en.wikipedia.org/wiki/Active_Worlds

• still active 2020!