Patrick McKenzie reads and expands on his Bits about Money essays about the plumbing of the financial system, such as payments finality, credit card economics and charitable giving infrastructure. Each episode pairs an explanation of how the system works with concrete case studies and updated postscripts.

Short philosophical essays that use ideas from science, game theory and social dynamics to examine how simplification, collective behavior and hidden assumptions shape human understanding. Each issue builds a single counterintuitive argument, such as Braess's paradox or pluralistic ignorance, and draws broader conclusions about civilization.

Essays on software engineering and delivery systems, focused on how AI-driven increases in code volume strain pipelines, testing and code review. Readers get systems-thinking analysis with concrete examples from real engineering teams.

Essays on how groups and organizations make sense of complex problems, covering strategy, incentives, power, and systems, with examples from startups, marketplaces, and everyday communal life. The reader gets a framework of work archetypes, an analysis of how Turo prices booking lead time, and reflections on why shared practice builds social connection.