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Build a prototype; it settles arguments a description cannot.

Our reading of the idea · 8 claims from 7 people, in their own words

In a product review a prototype beats a static mock, and a static mock beats a lot of words.

  1. Dylan Field Co-founder and chief executive of Figma at least my product reviews and uh product conversations, I feel like prototypes beat static mocks and static mocks beat lots of words. Figma’s CEO: Why AI makes design, craft, and quality the new moat for startups | Dylan Fieldyoutube.com · 16 Oct 2025 · 0:35:50 into the videoAll korrents from this video
    at least my product reviews and uh product conversations, I feel like prototypes beat static mocks and static mocks beat lots of words.

Ideas die on the vine when their visual expression looks wrong, so a prototype built from the real design system gets judged on its merits instead.

  1. Dylan Field Co-founder and chief executive of Figma it's, I think, critical that ideas don't die on the vine because you've got, um, a visual expression that doesn't match what everyone else expects. Sometimes people will just filter them out because they don't look right. Figma’s CEO: Why AI makes design, craft, and quality the new moat for startups | Dylan Fieldyoutube.com · 16 Oct 2025 · 0:50:44 into the videoAll korrents from this video
    it's, I think, critical that ideas don't die on the vine because you've got, um, a visual expression that doesn't match what everyone else expects. Sometimes people will just filter them out because they don't look right.

Mocks and docs are dying: AI-native teams prototype and prune with code-first prototypes instead of static mocks and product requirement documents.

  1. Julie Zhuo Co-founder of Sundial; former vice president of product… Say goodbye to cycles of mock and doc feedback, and say hello to code-first prototypes with constant iteration (on prompts, models, etc) to answer three key questions. The Death of Product Development as We Know itlg.substack.com · 25 Mar 2025
    Say goodbye to cycles of mock and doc feedback, and say hello to code-first prototypes with constant iteration (on prompts, models, etc) to answer three key questions.

Working prototypes have replaced product requirement documents.

  1. Boris Cherny Creator of Claude Code at Anthropic There’s just no way we could have shipped this if we started with static mocks and Figma or if we started with a PRD. Building Claude Code with Boris Cherny — The Pragmatic Engineernewsletter.pragmaticengineer.com · 4 Mar 2026
    There’s just no way we could have shipped this if we started with static mocks and Figma or if we started with a PRD.

So much of design is iteration and discovery: stumbling on something better by sticking with an intent for one more iteration.

  1. Josh Puckett Designer, advisor and investor that's a good example, I think, of so much of design is just iteration and discovery. I might have an intent, but stumbling upon something like this is is just sticking with it, right? And just going like one more iteration. Josh Puckett - Crafting interfaces with uncommon careyoutube.com · 12 Mar 2026 · 23:20 into the videoAll korrents from this video
    that's a good example, I think, of so much of design is just iteration and discovery. I might have an intent, but stumbling upon something like this is is just sticking with it, right? And just going like one more iteration.

    Watch from 23:20 plays here

    ↗Josh Puckett - Crafting interfaces with uncommon careyoutube.com

    12 Mar 2026 · video · 53m · spoken · machine transcript

Designers should find what the spec should be and build it in HTML and CSS themselves, not make a product manager's spec look pretty.

  1. David Heinemeier Hansson Creator of Ruby on Rails, CTO of 37signals Designers at 37 Signals are not just here to make a spec look pretty. They're here to find what the spec should be. They're product managers in many ways. DHH’s new way of writing codeyoutube.com · 8 Apr 2026 · 0:23:27 into the videoAll korrents from this video
    Designers at 37 Signals are not just here to make a spec look pretty. They're here to find what the spec should be. They're product managers in many ways.

    Watch from 0:23:27 plays here

    ↗DHH’s new way of writing codeyoutube.com

    8 Apr 2026 · video · 1h 47m · spoken · machine transcript

Sometimes a whiteboard, a paper sketch, a wireframe, Figma or a live prototype is the right tool, and the best designers will intuit which to go to.

  1. Ian Silber Designer who led product design at OpenAI sometimes you want a whiteboard, sometimes you want a a paper sketch, sometimes you want a wireframe, sometimes you want Figma, and sometimes you want these live prototypes. And I think that the best designers I think will understand and intuit when to go to to which one Ian Silber - What it's like designing at OpenAIyoutube.com · 8 Apr 2026 · 21:45 into the videoAll korrents from this video
    sometimes you want a whiteboard, sometimes you want a a paper sketch, sometimes you want a wireframe, sometimes you want Figma, and sometimes you want these live prototypes. And I think that the best designers I think will understand and intuit when to go to to which one

    Watch from 21:45 plays here

    ↗Ian Silber - What it's like designing at OpenAIyoutube.com

    8 Apr 2026 · video · 45m · spoken · machine transcript

A team should be aligned at a conceptual level before moving into visual experiments and prototypes, because a trap for designers is coming up with a bunch of options and picking one too early.

  1. Flora Guo Founding design engineer at Paradigm as of March 2026 I think it's so important to really be aligned at a conceptual level before we even start moving into like visual experiments and prototypes because I think one trap that we can fall into as designers is coming up with like a bunch of options and then picking one too early. Flora Guo - How to accelerate your design career with AIyoutube.com · 25 Mar 2026 · 32:37 into the videoAll korrents from this video
    I think it's so important to really be aligned at a conceptual level before we even start moving into like visual experiments and prototypes because I think one trap that we can fall into as designers is coming up with like a bunch of options and then picking one too early.

    Watch from 32:37 plays here

    ↗Flora Guo - How to accelerate your design career with AIyoutube.com

    25 Mar 2026 · video · 46m · spoken · machine transcript

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