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Inventing on Principle by Bret Victor

Shares rank 12 of 15 conference talks by recommenders

People recommend this talk as a mind-blowing demo of non-chat interfaces for building software and as a formative way to think about programming. No recurring complaints appear in the quotes.

People recommend this talk as a mind-blowing demo of non-chat interfaces for building software and as a formative way to think about programming. No recurring complaints appear in the quotes.

5 people gave an opinion

recommend it
5
criticize it
0
approval share
100%
Each figure is one person. RecommendsCriticizes

Recommended in 5 of 13 months

  1. November 2025: not recommended
  2. December 2025: recommended
  3. January 2026: recommended
  4. February 2026: recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: recommended
  9. July 2026: not recommended
  10. August 2026: recommended
  11. September 2026: not recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 5 people recommend itNeeds 10 or more, not met.
  • Nobody criticizes itNeeds 2 to 1 or better, met.
  • Recommended in 5 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Non-chat interface for building products

    “A great example of how to build a non-chat interface to product building (predating the AI boom)”

    Comment from 8 Feb 2026 in “Haskell for all: Beyond agentic coding”
  • Mind-blowing demo

    “One of the most mind blowing demos to me was Bret Victor's inventing on principle”

    Comment from 7 Dec 2025 in “The programmers who live in Flatland”
  • Formative for thinking about software

    “It was formative for how I think about software.”

    Comment from 6 Jan 2026 in “Ask HN: What's the best talk you've watched?”
  • Required viewing for everyone

    “"Inventing on Principle" by Bret Victor is required viewing for anyone that hasn't seen it yet.”

    Comment from 24 Jun 2026 in “Inventing the Future, One Lisp Machine at a Time”

Other conference talks people recommend

The four most recommended other conference talks, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Inventing on Principle by Bret Victor compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Simple Made Easy by Rich Hickey22196%9—Approved
The Birth and Death of JavaScript by Gary Bernhardt11285%6—Approved
Structure and Interpretation of Computer Programs Video Lectures11192%3——
Wat by Gary Bernhardt9190%5——
Inventing on Principle by Bret VictorThis page50100%5——
See all 15 conference talks, ranked

What people said

4 of the 5 comments that mention it, newest first. Each links to the original comment.

“"Inventing on Principle" by Bret Victor is required viewing for anyone that hasn't seen it yet.”

RecommendsComment from 24 Jun 2026 in “Inventing the Future, One Lisp Machine at a Time”

“A great example of how to build a non-chat interface to product building (predating the AI boom)”

RecommendsComment from 8 Feb 2026 in “Haskell for all: Beyond agentic coding”

“It was formative for how I think about software.”

RecommendsComment from 6 Jan 2026 in “Ask HN: What's the best talk you've watched?”

“One of the most mind blowing demos to me was Bret Victor's inventing on principle”

RecommendsComment from 7 Dec 2025 in “The programmers who live in Flatland”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.