Illustration of a school fair stall under a blue canopy, with a red table and handmade goods
Business Strategy

My Daughter Ran a Stall at Open House Fall Fair. I Learned More Than She Did

My daughter's busy fair stall reminded me to connect customer needs, teamwork, and technical work to a useful result.

September 27, 2026Read article
Editorial cartoon portrait of DHH with a laptop on a warm paper background
Product Execution
September 6, 2026

Why I Share DHH's Enthusiasm for AI

Why I share DHH's enthusiasm for AI, and what differing levels of trust in my own team mean for how we try, evaluate, and use it.

ASTRA launch lettering and OpenAI symbol above an illustrated workbench
AI Native Systems
September 6, 2026

I Put GPT-6 Astra to Work

Six observations from using GPT-6 Astra for a complex Azure, Linux and Windows deployment, everyday writing, and the work between tools.

Of 44 archived ledger strips, only three bright cards pass through a narrow glass aperture toward a reader at a desk
AI Native Systems
August 16, 2026

What I Learned From DeepSeek's Harness

A few days inside DeepSeek's open agent harness, pinned to one commit: four verified designs — the log the model cannot escape, the loop that is one config row, CI-enforced cache discipline, and the process OS behind 12,293 agent-written commits — and what builders should actually own.

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© 2020-2026 Aaron Guo