"Almost a million people have stopped paying for World of Warcraft in the last three months.BBC News - World of Warcraft suffers subscriber slump
The sharp drop in subscribers was revealed by Activision Blizzard during talks with analysts about its latest financial results.
At the end of September, WoW had about 10.3 million subscribers, down from 11.1 million at the end of June.
Experts put the decline down to competition from new titles but said WoW was still very resilient."
Though this can be read as more proof of the fall of Virtual Worlds as a viable business, and there is some of that in this, it can also be taken as proof of the rise of the overall virtual worlds market offering more people more options. So a limited number of hard core virtual world users have an ever growing range of options.