What will companies look like as AI systems become more capable? A framework for thinking about the next few years.

Healthcare spending is easy to count. Health outcomes are harder. What should we actually optimize for?

Observations from a week in one of the world's great cities.

A running list of works that have shaped how I think and see.

Examining the complete piano works of Maurice Ravel—their genius, their challenges, and their place in the canon.

The systems, tools, and practices that actually work—after years of experimentation.

Reflections at 36: learnings, my personal production function, and priorities going forward.

What architects build for themselves reveals more than their commissions.

What does America actually get for its defense dollar? An attempt at honest accounting.

A framework for evaluating military effectiveness beyond spending figures.

A quick kickoff post (and a sanity check that the blog is wired correctly).