[Air-L] Current user statistics for virtual worlds

Does any know, or know where to find, current statistics on how many people engage with virtual worlds (any type), and how often they do so? CarrieLynn D. Reinhard, PhD Virtual Worlds Research Group http://worlds.ruc.dk/ Roskilde University Department of Communication, Business, and Information Technologies Building 43.3 Kommunikationsvej 1 DK-4000 Roskilde mbl: + 2280 5128 "If we understand that everyone is connected to everyone else in some way or another, it makes it hard to hurt any single one person, for who knows if we might unwittingly hurt someone we love." - CDR 9/20/02