Start with a tiny, opinionated dictionary: user_id, session_id, event, properties, occurred_at. Add only what drives decisions. Document examples near the code, not in forgotten wikis. When the schema is boring and predictable, debugging accelerates and experiments move from question to clarity faster.
Track events and dashboards in the same repository as your application, reviewed with pull requests. Versioned queries and transformations prevent silent regressions. When instrumentation changes travel with code, rollbacks are safer, and reviewers can spot mismatches between intent, event names, and actual logging.
Collect less, hash more, and obtain consent in clear language. Redact sensitive fields at the edge. Anonymized cohorts can still reveal trends without creeping people out. When founders treat data with humility, customers reward them with referrals, renewals, and patient feedback during experiments.
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