Writing
Notes on measurement, analytical systems, agentic workflows and the datasets I go and pull myself.
More Than Prompting
SKILL.md turns a prompt into an operational protocol. What that looks like in advertising analytics, where a fluent answer built on the wrong metric is worse than no answer at all.
My 2025 with ChatGPT: What a "Year in Review" Doesn't Show
I exported a full year of ChatGPT history and analysed it. The conversation tree holds more than the official recap shows — including three different URL fields that reveal how retrieved sources actually reach an answer.
