Journal
Notes from measurement work
Practical writing on instrumentation, funnels, and retention—drawn from engagements with product and engineering teams.
Event Names That Survive Product Rewrites
How to name application events so taxonomy still makes sense after a major UI overhaul.
Choosing Session Windows for Mobile Apps
Thirty minutes is not always right. Match session timeout to how people actually return to your app.
Reading Activation Without Vanity Metrics
Activation should mark the first moment a user receives real value—not the first successful login.
Korea-First Privacy Practices in App Analytics
Practical instrumentation habits that respect local expectations while keeping product measurement intact.