There are times, there have been several, when Tom Matrullo unwinds his yarn balls of syntax and meaning in such a way as to define the yet-to-be-defined, and to define it precisely. Two dozen posts across a dozen blogs from the rest of us don't sum it up as aptly as Tom can when Tom does.
This, on social software in general, and orkut specifically, is one of those:
"On an only slightly less naive level, software that is social could try to imagine what is involved in the development of a society. I don't think Social Man began when a bunch of australopithecines began swapping cave art faves around a dead moose."
Damn he's good.