Check out their research projects here.

Apparently my friends and I are Content Omnivores:
“Content omnivores are among the heaviest overall users of the Internet. Most are employed. Most log on frequently and spend considerable time online doing a variety of activities. They are likely to have broadband connections at home. The average age of this group is 40.”

Or maybe Power Creators:
Power creators are the Internet users who are most enthusiastic about content-creating activities. They are young, their average age is 25, and they are more likely than other kinds of creators to do things like use instant messaging, play games, and download music. And they are the most likely group to be blogging.”