So although there may be, in certain specific moments (like your family, this month) a fixed amount of money available to trade with other people for… - Paul Graham

A restaurant can afford to serve the occasional burnt dinner. But in technology, you cook one thing and that's what everyone eats. So any difference between what people want and what you deliver is multiplied. You please or annoy customers wholesale. The closer you can get to what they want, the more wealth you generate.

I meet a lot of founders who are worried by the rapid rate of technological change. They shouldn't be. It may feel uncomfortable, but techno-turbulence is net good for startups. They're much more likely to adapt successfully to some big change than incumbents are.

Interesting insight from Andy Lapsa of Stoke Space: If you're running a hard tech startup, you should be able to fabricate everything you need yourself. You may choose to farm something out to a supplier, but you shouldn't need to.