PC Forum buzzword alert: Long tail and Ecosystem

Esther Dyson's PC Forum is one of those events where you can feel the pulse of the industry (at least the top of the pyramid, judging by the number of corporate jets) and get a sense of what is fashionable, if not profound or disruptive (buzzword from last year). The award for the most frequently bandied about term must go to the longtail, which has risen, in my book,