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The Durability Curve

H. Floyd
Tens of paid subscribers

AI is everywhere. The interesting stuff is underneath.

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Substack
PricingFreemiumPublishesDaily
Issues105Founded7 months agoLast Issue4 days ago
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harryfloyd.substack.com
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Latest Issues

Before You Trust a Study, Check How Strongly It Passed

In 1988, students who held a pen between their teeth, which forces something like a smile, rated cartoons funnier than students who held it in their lips. In 2016, seventeen labs repeated the study on a pre-registered plan, and the differen...

4 days ago
8

The Re-check

Strong first passes held up about twice as often: 66% of re-checked claims whose original result passed below p = .001, against 34% of those that passed between .01 and .05. Those between .001 and .01 held up 22% of the time, no more often...

4 days ago
4

Anthropic's books show an operating profit. Alphabet had its worst day on record.

Anthropic's compute fell below half its revenue, but the bill will jump. Also: Google's cloud doubled as Alphabet's free cash flow sank to −$9.1bn.

The Durability Curve Weekly · Issue 6

6 days ago
3

A Coin Flip Set the AI's Lean. Experts Went With It 86% of the Time.

Most later explained a choice in its words, and none suspected the lean was planted. How to make an AI argue the side it didn't pick.

The analyst spent 43 minutes with the brief before typing a word.

7 days ago
7

What Is Prompt Injection? How to Stop a Tricked AI Agent Leaking Your Data

One GitHub issue got an agent to post private-repo data in public. Why no filter fully stops it, which guards held in our runs, and how to test yours.

Prompt injection is when text inside something your AI agent reads, such as an email, a...

9 days ago
11
2

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  • H. Floyd

    Finding what lasts across AI, technology and a changing world. Practical ideas, tools and systems you can use.

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