On the fundamental tension between selling expertise and genuinely solving problems — and why the best consultants find a way through it.

Attention is the one resource that cannot be manufactured. Notes on what it means to spend it well.

What changes when you start a company at 40 rather than 25. Not all of it is a disadvantage.

Books read in 2023, with brief notes on what each one was good for.

An honest account of a year with more changes than expected and fewer regrets than feared.

On the difference between building products and building features, and why the distinction matters more than people think.

Why the act of making something — anything — is one of the most clarifying experiences available to a human being.

Lessons from building and publishing a word game app — on design, distribution, and the gap between building and shipping.

A framework for figuring out which activities give you energy and which drain it, and what to do with that information.

Every yes is a no to something else. The discipline of declining is learnable, but it takes practice.