I’m not supportive on throwing out and using ubiquitous buzzwords too often, but I thought I’d share what I thought was a fairly well cited explanation of the phrase “Web 3.0″ (this is from an article about the website Twine)

[ Web 3.0, a "semantic Web" where sites can understand the quirks and relationships in the data they mine, much in the way that humans differentiate between cheesy nachos and cheesy pickup lines. ]