It seems as if every speechmaker/consultant answering that question has come up with something different.

This post takes the ten most commonly repeated definitions and analyzes just how well the applications most often labeled as “Web 2.0” fit (or fail to fit).

A great summary for those of us who are regularly asked to come up with a short-attention-span explanation (25 words or less) of this currently very high-profile concept.

web 2.0, definition