There are no communities that I know of, but the field that you are describing is computer-mediated communication (CMC). Check out these journals if you're inte

There are no communities that I know of, but the field that you are describing is computer-mediated communication (CMC). Check out these journals if you're interested in research about online social networks. Journal of Computer-Mediated Communication http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1083-6101 http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1083-61... First Monday http://firstmonday.org/index http://firstmonday.org/index