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Behavioral autopsies of real lifecycle systems.

We reverse-engineer how companies engineer retention at scale. Real systems. Real findings. Real revenue math.

Teardown No. 01

How Notion Turned a Note-Taking Tool Into a $700M Identity Infrastructure

A 54-page behavioral autopsy of Notion's lifecycle system. How they engineered retention at scale, and what every subscription business can take from their architecture.

54
Pages
4
Emails deconstructed
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In progress

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Canva
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Figma
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Duolingo
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