Free markets select for winning solutions.

Programmer time is expensive; conserve it in preference to machine time

Software is largely a service industry operating under the persistent but unfounded delusion that it is a manufacturing industry

Smart data structures and dumb code works a lot better than the other way around.

Equally, the Internet interprets attempts at proprietary control as threats and mobilizes to defeat them.

For the first time, individual hackers could afford to have home machines comparable in power and storage capacity to the minicomputers of ten years earlier - Unix engines capable of supporting a full development environment and talking to the Internet.

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