Movers 2.0 - Follow the Web 2.0 traffic trends
Here is a simple website that lists out the top web2.0 sites with Alexa rank. Check out the graphs for each website that tell you the daily reach and page views. If you are web2.0 company then surfacing to the top of such lists means a buyer waiting for you .. and it could be your exit strategy. I had not heard of some of the websites listed here, so it is time to check them out.