Lenny's Newsletter

Lenny Rachitsky's deeply researched advice on product, growth and careers for product leaders and founders, plus podcast episodes.

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Recent posts

Meta’s new ‘Muse Wonder’ model: good for AI agents, bad for design 14th October 2026
How to tell if a startup has a moat 13th October 2026
🎙️ How I AI: How Meta designed Muse with Alex Cornell 12th October 2026

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Last posted: 14/10/2026