The division into 3 areas reminds me of an old article at SSC:
You get a bunch of hippies throwing love into the pot, computer programmers adding brainpower, and entrepreneurs adding competence. Mix and stir and you get people who want to make the world better, know how to do it, and sometimes even get up off their armchair and do.
The division into 3 areas reminds me of an old article at SSC:
...which is more or less like you divided it.