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Lenny's Podcast: Product | Career | Growth
Lenny's Podcast: Product | Career | Growth

Slack founder: Mental models for building products people love ft. Stewart Butterfield

Nov 20, 2025 · 1h 30m
AI Summary
  • Stewart Butterfield shares core mental models including 'utility curves,' 'owner's delusion,' and 'hyper-realistic work-like activities' that drove Slack and Flickr success
  • Key frameworks include 'Don't make me think,' 'We don't sell saddles here,' and 'tilting your umbrella' for product strategy decisions
  • Ownership mindset and timing judgment on when to pivot are critical leadership principles applicable across product and business building

Guests on This Episode

SB
Stewart Butterfield
6 podcast appearances

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