Writing

Thoughts on entrepreneurship, AI, building businesses, and creating freedom.

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operating specimen

A successful checkout must result in the access and terms the buyer was promised.

Read the decision record

External resources

cass: historical Decision Note

Read the historical cass evaluation decision, with links to its evidence and current-revision index.

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FailureClass: simulated worked diagnosis

Explore a simulated failure diagnosis using teaching fixtures. The repository README includes runnable instructions.

View on GitHub

August 4, 2026

Footnote 353

In 2017 a Yale law student needed proof that Amazon was tying its warehouse service to search placement. The citable source was a blog post. She later became chair of the FTC.

January 20, 2026

Why I Build in Public

The strategic advantage of sharing your journey as an entrepreneur, and why transparency beats secrecy.