Journal

Notes from the desk, not a content calendar.


Essays we use in class. They assume you already care about app analytics. They do not recap vendor release notes.

Thai banknotes and a phone suggesting local payment context

Reporting · 9 min · January 2026

When funnels lie about Thai app users

PromptPay retries, family-shared devices, and why a Bangkok checkout path is not a San Francisco one. A reporting problem disguised as a conversion problem.

Hands typing on a laptop while drafting an event dictionary

Taxonomy · 8 min · November 2025

Event names that survive a rebrand

Campaign codes rot the moment marketing launches a new season. A durable dictionary does not have to include the brand’s current slogan.

Professional reviewing cohort charts on a monitor

Cohorts · 10 min · September 2025

Cohort windows for subscription apps

Week-one windows hide pause behaviour. How we choose exposure, avoid immortal cohorts, and stop mailing people who already said they were resting.