Framework · 1 note · discussed by Lenny Rachitsky

Coverage and Composition Filters

Every note in the archive that names Coverage and Composition Filters: summaries, key takeaways and links to the original essays, episodes and posts. Ask a question below to get a cited answer from just these notes’ authors.

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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…