Alligator Descartes and I worked on a distributed multi-user VR project (called Nexus) that was abandoned in October 1996 i.e. before the November 1996 date on the patent. Nexus dealt with a lot of the distributed things that were "invented" by Worlds, Inc. Worlds, Inc. were certainly developing stuff at the time - we were involved on some of the same mailing lists. Some of them were documented in our book Reality Architecture. I probably still have the sources on tape somewhere, for what that's worth.
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