A recent Pew reports gathers some new data and previous publications for a scan of the current state of “Web 2.0:”
http://www.pewinternet.org/PPF/r/189/source/rss/report_display.asp
“Web 2.0” has become a catch-all buzzword that people use to describe a wide range of online activities and applications, some of which the Pew Internet & American Life Project has been tracking for years. As researchers, we instinctively reach for our spreadsheets to see if there is evidence to inform the hype about any online trend. This article provides a short history of the phrase, along with new traffic data from Hitwise to help frame the discussion.
This would be a useful addition to your Internet Librarian conference notes for discussions in the Emerging Tech Committee, Innovation Work Group, or staff meeting.