Public Thinking

The occasional thought.

Product Design · Apr 29, 2025

Pete Koomen’s Runabouts

I argue that AI assistants with editable system prompts are the intermediary “runabouts” connecting the past to the future.

News · Mar 22, 2022

Goodbye Riot :)

Today I sent my colleagues an email letting them know that I'm leaving Riot on April 1st to focus on building a founding team around a new joyful UGC startup (and no it's not web3). Here's what I shared with them about what I learned in my 8 years at the company, and why I'm leaving now.

Strategy · Feb 7, 2021

How I Read Strategy Blogs

Almost every post will teach me something general about business. Some smaller percentage of them will do that and also teach me something about a specific business I have a personal interest in, and every now and then one will teach me about something immediately relevant to my business.

Strategy · Jun 26, 2020

Why Apple Can Afford to Play Nice, and Should

If I was Apple, I would remove the third restriction immediately while continuing to demand that developers offer Apple Pay as a default option. I don’t think it would actually cost them much and would do a great deal to reduce the antitrust pressure.

Other Writing

For writing of a more personal nature, visit my Medium