CNN has come up with a list of Web 2.0 companies that might actually be useful, and have a shot at real profitability down the road. I've got to admit that I use very few of these sites right now, but I'm a late adapter to certain web fads (my friends had to fake my MySpace page because I was the only one who didn't have one).
It's a Web, Web, Web 2.0 world - Joost (1) - Business 2.0