Wow, they still exist! (May'02)
http://www.electricminds.org/venice/frame/eminds/about-eminds.html Electric Minds (commonly abbreviated "EMinds") was founded in 1996 by Howard Rheingold (EMinds user ID ), author of The Virtual Community, a book that stemmed from his experiences on The WELL. With WellEngaged Group Discussion software (derived from that used by The WELL) and a team of talented individuals, he created a Web site that was named as one of the top 10 Web sites of 1996 by Time magazine. Electric Minds also was noted for hosting discussions for the Kasparov vs. Deep Blue chess match. It quickly gained popularity, with tens of thousands of registered users.
Now hosted on the Open Source Venice system http://venice.sourceforge.net/