Growth Mechanics Behind Great Companies
A 5-minute weekly email for generalist marketers on the product mechanics, marketing strategies, and business decisions behind the world’s most interesting companies.
Library at a glance
10 Breakdowns
Growth, product, retention, brand.
New brief EVERY TUESDAY
FEATURED BRIEF9 min read
Duolingo
The streak system that turned language learning into a daily habit.
Retention·Consumer App·Gamification
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How Each Brief Works
- 01Company context
What the company does, who for, and why it matters.
- 02Growth or product mechanic
The specific loop or system that drives the business.
- 03Key data points
Revenue, users, retention, and the numbers that prove it.
- 04What builders can steal
Patterns you can adapt to your own product or company.
- 05Risks and limits
Where the playbook breaks and who shouldn't copy it.
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Duolingo
Retention · 9 min read
The streak system that turned language learning into a daily habit.
RetentionConsumer AppGamification
Retention PlaybookHabit Loop
Notion
Distribution · 12 min read
The workspace product that turned templates and identity into distribution.
ProductPLGCommunity
Community PlaybookCommunity Template Loop
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