This is one of those categories that doesn't fit snugly into a hierarchical schema. It rather resembles a lot of it's denizens in that regard.
As you can see by the related ODP areas, Cyberspace Culture sprawls across society, sociology, online gaming, chat, virtual reality, and no doubt a few more which we'll find as time goes on. Business has begun to discover that "virtual community" is a potent concept, as many citizens of the electronic multiverse have already discovered for themselves. Herein lie the links.
The first global organization focused on inhabited virtual spaces on the Internet. These spaces are shared in real time by thousands of users and represent a new frontier in the experience of cyberspace. http://www.ccon.org/
Online community known for engaging conversation and intelligent debate. Features more than 260 conferences ranging from technical and specific to abstract and surreal. http://www.well.com/
Information on online communities, personal pages, information on hackers and cyber-liberties, and examination the nature of online life and identity. http://netculture.about.com/index.htm
Non-commercial resource dedicated to the anthropological study of cyberspace. Includes virtual seminars, an e-library, discussion groups, a course finder, a glossary, a calendar of activities, comics, and book reviews. http://www.cyberanthropology.org/
Promotes inquiry into and discussion of intellectual, philosophical, artistic, and literary issues, and works for the intellectual and social achievement of society. http://www.edge.org/
Research by Barry Wellman and associates into social networks, social support, virtual community, computer networks as social networks http://www.chass.utoronto.ca/~wellman/