Flywheel: what it is, who uses it, and the best notes

Lenny’s Newsletter♥ 34

Flywheels, flywheels, flywheels

Aug 18, 2020 · 9 min

Subscriber post — summary only

Lenny answers a reader's question about how to build a business 'flywheel,' a visual model of which business elements reinforce each other to accelerate growth. He explains how to brainstorm one from assets, actions…

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Lenny’s Newsletter♥ 389

Ecosystem is the next big growth channel

Nov 11, 2025 · 15 min

Subscriber post — summary only

The post argues that as AI makes building and reaching customers easier for everyone, traditional B2B channels like search, outbound, events and lifecycle email are getting noisier and less effective. It makes the case…

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