Tim O'Reilly says that for "Web 3.0" to be meaningful we'll need to see a serious discontinuity from the previous generation of technology. That might be another bust and resurgence, or more likely, it will be something qualitatively different.

There's definitely something new brewing, but we will call it something other than Web 3.0. And it's increasingly likely that it will be far broader and more pervasive than the web, as mobile technology, sensors, speech recognition, and many other new technologies make computing far more ambient than it is today.

But in any event, the next meme to take hold will be broad based, with many proof points, each showing another aspect of the discontinuity. Anyone who says his startup is the sign of this next revolution is just out of touch.

Get the full story at Tim O'Reilly's Radar