Sam Altman, CEO of OpenAI, said something recently that really got me thinking: “I think people overcomplicate, and those people never seem to be the ones who really move the world forward. I think any system, as long as it keeps you disciplined and gets done what you say you’re going to get done, is fine. And I think the simple ones really work.” For most people who run businesses themselves, it’s true, too many of them waste time perfecting productivity systems instead of just getting...