1 min lesson
Instrumentation & metrics partnership
Put this idea into your own words. "Measurement is part of the build, not a report you write after."
Step 1 of 3
The builder-PM bar includes partnering with data science on instrumentation, metrics and measuring whether a launch actually succeeded. Measurement is part of the build, not a report you write after.
Wire the events when you scope the feature. If you ship first and instrument later, your first read on whether the thing worked is a guess and you have already lost the window where the signal is cleanest.
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Full explanation
How Truly Each Metric Signals Success
Interactive diagram. Tab through its regions; each focused region shows its detail in the panel below.
The builder-PM bar is a feature developers use every day, so rank metrics by how close they sit to that. A kept suggestion a developer relied on outweighs a thousand they ignored.
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Optional practice
Test yourself on Instrumentation & metrics partnership
QA new autocomplete change raises total suggestions accepted by 20%, but average Tab latency rose and undo rate ticked up. Is the launch a success?