The beginnings of the hacker culture as we know it today can be conveniently dated to 1961, the year MIT acquired the first PDP-1.

That stupid people are more violent is a fact independent of skin color.

Given enough eyeballs, all bugs are shallow (e.g., given a large enough beta-tester and co-developer base, almost every problem will be characterized quickly and the fix obvious to someone).

Free markets select for winning solutions.

If you treat your beta-testers as if they're your most valuable resource, they will respond by becoming your most valuable resource.

The iPhone brand is in worse shape than I thought was even possible. And the implications of that are huge... The iPhone is in deep trouble.

Treating your users as co-developers is your least-hassle route to rapid code improvement and effective debugging.