Peter Deng's consumer AI playbook: invest in the core product, not side quests

lennysan · x · 2026-09-22

Lenny Rachitsky shares takeaways from his conversation with Peter Deng: the highest-ROI growth move is usually investing in the core product vs. chasing side quests — Snap's Android performance focus after the 2018 redesign sparked a multi-year renaissance, and Discord skipping the Midjourney moment led to some of the fastest growth in history. Also: great taste is knowing when to stop, a trait he watched Evan Spiegel exercise for seven years.

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