korrents

← People and their mental models

Peter Sellis's mental models

2 claims Peter Sellis made fit 3 mental models. Most often: Bottlenecks, Less, but better, Say no by default. Everything they said here.

Models they name

Their own words name the idea.

Say no by default

Most good options have to be turned down, so make no the default and keep yes for what matters.

Used by 10 others

Restraint, saying no to good ideas, is probably one of the few ways to exercise taste.

Mental modelLess, but better

  1. Peter Sellis Former head of product at Discord exercising that kind of muscle of like saying no uh of restraint is probably one of the easiest like one of the few like muscles of taste you can exercise. If if a museum has all of their collection on the walls, then the curator hasn't done anything. 90 minutes of unfiltered product advice from Snap and Discord’s product chief | Peter Sellisyoutube.com · 20 Sept 2026 · 0:36:27 into the videoAll korrents from this video
    Their wordsexercising that kind of muscle of like saying no uh of restraint is probably one of the easiest like one of the few like muscles of taste you can exercise. If if a museum has all of their collection on the walls, then the curator hasn't done anything.

    Where this was said

    Watch from 0:36:27 plays here

    ↗90 minutes of unfiltered product advice from Snap and Discord’s product chief | Peter Sellisyoutube.com

    20 Sept 2026 · video · 1h 36m · spoken · machine transcript

Models we see in what they say

Our reading: their claim applies the idea without naming it. The claim is theirs; filing it here is ours.

Bottlenecks

A system moves only as fast as its narrowest point; speed up anything else and nothing changes.

Used by 88 others

Collaboration carries coordination costs that leave a team moving as slow as its slowest node.

  1. Peter Sellis Former head of product at Discord collaboration comes with incredible coordination costs. And coordination costs essentially assure that you're moving as slow as the slowest node 90 minutes of unfiltered product advice from Snap and Discord’s product chief | Peter Sellisyoutube.com · 20 Sept 2026 · 0:06:50 into the videoAll korrents from this video
    Their wordscollaboration comes with incredible coordination costs. And coordination costs essentially assure that you're moving as slow as the slowest node

    Where this was said

    Watch from 0:06:50 plays here

    ↗90 minutes of unfiltered product advice from Snap and Discord’s product chief | Peter Sellisyoutube.com

    20 Sept 2026 · video · 1h 36m · spoken · machine transcript

Less, but better

Find the essence and cut the rest; simplicity is hard work, not the absence of effort.

Used by 59 others

Restraint, saying no to good ideas, is probably one of the few ways to exercise taste.

Mental modelSay no by default

  1. Peter Sellis Former head of product at Discord exercising that kind of muscle of like saying no uh of restraint is probably one of the easiest like one of the few like muscles of taste you can exercise. If if a museum has all of their collection on the walls, then the curator hasn't done anything. 90 minutes of unfiltered product advice from Snap and Discord’s product chief | Peter Sellisyoutube.com · 20 Sept 2026 · 0:36:27 into the videoAll korrents from this video
    Their wordsexercising that kind of muscle of like saying no uh of restraint is probably one of the easiest like one of the few like muscles of taste you can exercise. If if a museum has all of their collection on the walls, then the curator hasn't done anything.

    Where this was said

    Watch from 0:36:27 plays here

    ↗90 minutes of unfiltered product advice from Snap and Discord’s product chief | Peter Sellisyoutube.com

    20 Sept 2026 · video · 1h 36m · spoken · machine transcript