Fortune's Jessi Hempel thinks Web 2.0 is so last big thing because no "new game-changing companies have emerged since Twitter burst on the scene in 2007."
But the main reasons is that Web 2.0 sites have "failed to deliver new ways to cash in the way their Web 1.0 predecessors, such as Amazon and Yahoo"
Interesting article. Check it out: "Web 2.0 is so over. Welcome to Web 3.0: Facebook and Twitter may be more popular than ever among users, but what are they worth?"