I keep thinking back to the sitepoint article they did on april fools that one of the guys who is with basecamp did. It kind of goes along with the whole "web 2.0 hype" thing. http://www.sitepoint.com/article/application-fluff-hot-air
I really don't like the term Web 2.0. It's just an attempt to make things appear more flashy and new then they are. A web site is a web site is a web site.