Web 2.0 Sites Account for 12 Percent of U.S. Web Traffic (but what IS Web.2.0?)

Interesting stats, below. But what really IS web2.0?  Here is my definition: it's just a tag or a name for what the Web should really be, as opposed to what we wanted it to be, back in the early days.  Web1.0 - if you want to use that term - was based on pretty much the same ideas (collaboration, rating, community, sharing, tagging, filtering) but it just wasn't quite there yet - in other words, it was mostly alpha and gamma versions of 'the real thing' - and that is what we are seeing now -- the real thing is finally there, and we are finally getting a glimpse of the real power of the net. Real sharing, real collaboration, real interaction -it just took 7 years longer. Ah yes, and then... watch this video to find out more
Web 2.0 Sites Account for 12 Percent of U.S. Web Traffic.

"Web surfers in the United States are increasingly visiting Web 2.0 Web sites like Wikipedia, MySpace (NWS-A) and YouTube (GOOG), according to HitWise research..."