My wife asked me yesterday what Web2.0 is. The link below goes to a good overview on the topic.
Pew Zeroes in on 'Web 2.0,' Sort Of
The term hasn't even been around that long, but already I'm sick of hearing it. The media really latch onto these catchphrase concepts.
There were sites like this long before the catchphrase mania. IMDB.com, classmates.com even Writing.com.
But there really have been some cool sites trumpeted as Web2.0 darlings. I was going to list some of my favourites, but this site has an excellent list of Web2.0 leaders.