Social Colloboration

As was propaged by Web 2.0 that the world will eb lead bu Social colloboration, that has been surely cashed on by many companies who have just bec ome too big in just last 5 years like
YouTube, Orkut. Likedin.com, Twitter, MySpace.com, FaceBook, RSS etc. We can see that these kind of social networking sites are surely making lot bigger business than many other businesses. I feel that at this stage, we are right now just scratching the surface of the big pile of the power Web 2.0 As we slowly transition to the Web 3.0, you will find that smarter software will enable much after transition to the social networking
These thoughts are very randonm, but out them together in a more cohenrant passion as get more time