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Diagnostic question · Hooked

Did the launch spike stick?

Compares the day-30 retention of a press or launch spike cohort with organic cohorts.

Discover

Plain label: spike cohort question

The question we ask

After press, a launch or a store feature, what was that cohort's day-30 retention compared with your organic cohorts?

Limits

What we don’t claim

Sources

  • Hooked · Nir Eyal

    Ch.2

Source IDs: HK-Q29HK-TRG07

Book content is paraphrased, never quoted at length. Last verified October 24, 2026.

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