The interest in Web 3.0 might have peaked, as my previous study indicates. In this post, I will anyhow have a look at the various definitions of Web 3.0 that people have used in the past, and possibly find out the most plausible one. For this study I limit my coverage to high-authority blogs and news sources, so-called A-listers. I might miss some important Web 3.0 definitions this way, but the scope of the study becomes more manageable.

First I did a search for "Web 3.0" in Google Reader among my current set of blog subscriptions. This search yielded roughly 100 hits, which I then manually sifted through, following any important links in these posts. To capture additional posts, especially before 2007, I scanned the results from Google Blog Search while collecting the Web 3.0 statistics for my companion post. Admittedly, I have spent several weeks on these couple of posts. At least now it is soon finished.

The Semantic Web is one of the more popular definitions of Web 3.0. The Semantic Web is a vision originating from web i