Mental models for building products people love ft. Stewart Butterfield
Stewart Butterfield on utility curves, product taste, comprehension and friction. Selected coverage omits politics/bureaucracy, shutdown/Glitch and later work-like activities and owner's-delusion discussion. Slack anecdotes are his account, unverified here. Untimed editorial topics are not video chapters.
Executive Summary (TL;DR)
Stewart Butterfield joins Lenny Rachitsky to discuss utility curves, product taste, attention to users and the difference between comprehension and friction. This selected coverage includes the opening Parkinson's law discussion but omits politics/bureaucracy, shutdown/Glitch, later work-like activities and the owner's delusion. Slack anecdotes are his account, unverified here. Untimed topics are editorial, not video chapters.
Key Takeaways
Think about the utility curve of effort
Butterfield uses an S-curve to ask where more work adds value. Early effort may not make a feature useful, a threshold can create a large gain, and further refinement may reach diminishing returns. This is a mental model for judgment, not a measured formula.