The Changelog

Writing, versioned. Patch notes on data, demos and building for people who hate dashboards.

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The demo is the product (for 45 minutes)

Treating demos like product surfaces: versioned, tested, and allowed to be opinionated.

7 min read

A field guide to "the numbers look off"

Seven things people mean when they say it, and how to tell which one you're dealing with.

5 min read

I rebuilt my demo stack in a weekend. Here's the Makefile.

DuckDB, a seed script, and far too many make targets.

9 min read

Discovery calls are user research with a quota

Stealing the best parts of UX interviews for a technical sales process.

6 min read

Explaining a p-value to a CFO without a whiteboard

Analogies that worked, analogies that really didn't, and what I use now.

4 min read

Every internal tool needs an "explain" button

A small pattern that cut my support pings in half.

5 min read

Sample data that doesn't look fake

Seasonality, churn, and the occasional typo: making synthetic data believable.

8 min read