Reading retention without the usual traps
Windows, returning vs resurrected, and the dip nobody labels.
Journal
Notes we still stand by after a launch.
These pieces are written for people who already have a tool. They assume you can open a cohort and are willing to annotate it in prose.
Event taxonomies that survive a rebrand
Aliases, freeze dates, and keeping marketing copy out of the schema.
When cohorts flatten the story
Acquisition week is not a personality. Mixed platforms make it worse.
Instrumentation reviews before you ship
A punch-list you can run in one hour with engineering.
Feature adoption on mixed platforms
Web, iOS, and a desktop leftover: how not to average them into a lie.