MySpace claimed almost 5 million registered users in 2005, and that number has grown to exceed 70 million today. Though currently the most popular, MySpace is only one of a number of social networking sites online, and their attractiveness to teens and pre-teens has spawned worry over a growing Internet menace.
Article: http://us.rd.yahoo.com/dailynews/rss/searc...tory/50812.html
QUOTE(Yahoo! News @ Wed 31st May 2006, 9:14pm) 
MySpace claimed almost 5 million registered users in 2005, and that number has grown to exceed 70 million today. Though currently the most popular, MySpace is only one of a number of social networking sites online, and their attractiveness to teens and pre-teens has spawned worry over a growing Internet menace.
Article: http://us.rd.yahoo.com/dailynews/rss/searc...tory/50812.html
Mentions Wikipedia only in passing:
QUOTE
Some critics say the language is too broad and would include collaborative networking sites such as Wikipedia
This is a "lo-fi" version of our main content. To view the full version with more information, formatting and images, please click here.