Hitwise, which collects internet usage data directly from ISPs to measure the traffic to more than 800,000 webites, has tapped the six Web 2.0 companies most likely to reach the soaring success of YouTube, Wikipedia or Flickr. To do so, it looks at the types of early adopters now using the sites.
Article: http://us.rd.yahoo.com/dailynews/rss/searc...RSS&newsid=9046