Journal
Essays, not recaps.
These pieces are written for people who already own a dashboard and have begun to distrust it. They are not launch announcements.
DAU is not a product metric
Opening the app is a door. Subscription products should stop treating the door as the room.
A privacy-respecting event taxonomy
How to name behaviour so counsel, the ICO, and a tired engineer can share one dictionary.
The 28-day retention cliff in UK fintech
A pattern we keep seeing after payday cycles, and why a 7-day window hides it.
Session replay will not save a dishonest funnel
Watching thumbs move is not the same as knowing whether an event fired twice.
When default funnels mislead
Vendor defaults are a courtesy sketch. Treating them as accounting is how retries become growth.