Buster Benson put together this concise way to think about cognitive biases by grouping them into four big problems our brains have evolved to deal with. There's a lot to think about (potentially systemically irrationally) here.
Fascinating presentation about the current state of gameification, and some suggestions for where application designers should be headed. Along the way he asks, "What vision of The Good Life do your designs convey?"
"I am firmly of the opinion that the Macintosh is Catholic and that DOS is Protestant." heh, Umberto Eco weighed in on the Mac vs. PC war in 1994 by comparing the organization of operating systems with the organization of religions.