2.0 mania is taking over IT. Web 2.0 started this craze, and is probably the only valid use of '2.0'. Now we have SOA 2.0, enterprise 2.0, media 2.0, and a wealth of other '2.0' wannabees.

Are these uses of '2.0' valid? In most cases-no. They are associated with the natural evolution of the subject, not a breakthrough, new approach or capability.

Beware of 2.0 mania. It continues to strike.