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The Who's Who of AI

What credible people across AI noticed, why it matters, and where the field is converging or disagreeing.

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Showing developments with attributable Questions & unknowns reactions.

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See how experts are reacting—not just what they shared.

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Questions & unknowns Concern & critique Markets & investment Opportunity & adoption
5 live reaction maps in this view Jump to the evidence ↓
Multiple readings Is AI ruining our skills? Early results are in — and they’re not good Concern & critique · 3 attributable reactions Multiple readings Is AI Profitable Yet? Markets & investment · 2 attributable reactions Multiple readings Harvard ai faculty Markets & investment · 2 attributable reactions +2 more reaction maps further down
Showing signals surfaced by Stephen Turner ×
Most important

The developments commanding sustained expert attention

One card per development. Sources are clustered; reaction bundles describe these posts, never the people behind them.

Developing AI field signal Development 2d ago
⚡ 47 h early
AI skill degradation early results study

Is AI ruining our skills? Early results are in — and they’re not good

13 experts across 4 network communities independently surfaced this.

Why this matches Questions & unknowns reaction 1 attributable expert contribution · Iris van Rooij
“What a surprise ….. “Is AI ruining our skills? Early results are in — and they’re not good Reliance on artificial-intelligence tools degrades the abilities of physicians and software engineers, studies show.” www.nature.com/articles/d41...” evidence ↗
13 experts 4 communities 1 sources clustered
Alondra Nelson Iris van Rooij Olivia Guest Djamé 🟥 Scott McGrath Marielza Sasha Costanza-Chock Eileen Clancy 🧿 +5
How the network is reacting Experts are approaching this through 2 distinct lenses.
Multiple readings

Concern & critique

2 experts

Risks, limits and unintended consequences.

“I find the research increasingly compelling — this week's example being a case in point: www.nature.com/articles/d41... I look forward to reading your book and having these concerns placed in the context of earlier technological transitions and their attend…”

Questions & unknowns

1 expert

What remains unresolved or contested.

“What a surprise ….. “Is AI ruining our skills? Early results are in — and they’re not good Reliance on artificial-intelligence tools degrades the abilities of physicians and software engineers, studies show.” www.nature.com/articles/d41...”

2 experts discussed this · 6 posts
Edouard Machery: The literature on cognitive offloading and deskilling should be taken with a serious grain of salt. See literature on video games in the 1980s, see Haidt style literature on social media. The last …
Alondra Nelson: I find the research increasingly compelling — this week's example being a case in point: www.nature.com/articles/d41... I look forward to reading your book and having these concerns placed in the c…
Edouard Machery: The issue, in my opinion, is publication bias and p-hacking. The literature is clearly titled toward finding negative effects - this is what gets in the news etc. As a result I don’t think we can t…
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Primary source nature.com ↗
Established AI business Analysis 10d ago
⚡ 375 h early
Is AI profitable analysis essay

Is AI Profitable Yet?

12 experts across 6 network communities independently surfaced this.

Why this matches Questions & unknowns reaction 1 attributable expert contribution · Sasha Costanza-Chock
“Is AI profitable yet? isaiprofitable.com” evidence ↗
12 experts 6 communities 1 sources clustered
Meredith Broussard Olivia Guest Damien Williams Sasha Costanza-Chock Prof. Dr Beth Singler Mél Hogan / The Data Fix Roland Meyer Stephen Turner +4
How the network is reacting Experts are approaching this through 2 distinct lenses.
Multiple readings

Questions & unknowns

1 expert

What remains unresolved or contested.

“Is AI profitable yet? isaiprofitable.com”

Primary source isaiprofitable.com ↗
Established AI field signal Signal 15d ago
⚡ 22 h early

Harvard ai faculty

13 experts across 3 network communities independently surfaced this.

Why this matches Questions & unknowns reaction 1 attributable expert contribution · James Grimmelmann
“What are we even doing here? www.nytimes.com/2026/08/22/b...” evidence ↗
13 experts 3 communities 1 sources clustered
Iris van Rooij Spiros Margaris Eileen Clancy 🧿 James Grimmelmann Mél Hogan / The Data Fix Hagen Blix tante Michael Zimmer +5
Primary source nytimes.com ↗
Established Safety & security Development 17d ago
HuggingFace security incident July 2026

Security incident disclosure — July 2026

8 experts across 4 network communities independently surfaced this.

Why this matches Questions & unknowns reaction 1 attributable expert contribution · Melanie Mitchell
“Question for Twitter hivemind: Attached is a sentence from the Hugging Face initial report on hacking incident (https://t.co/PuIHBdLCXK). Can anyone explain to me what "executing many thousands of individual actions across a swarm of short-lived sandboxes" …” evidence ↗
8 experts 4 communities 1 sources clustered
Melanie Mitchell Maria Antoniak Deedy Das Liz Fong-Jones (方禮真) Stephen Turner Leon Derczynski Matthew Sheffield Jordan Nanos
How the network is reacting Experts are approaching this through 3 distinct lenses.
Multiple readings

Concern & critique

1 expert

Risks, limits and unintended consequences.

“"When we started analysis, we used commercial APIs. This did not work: requests were blocked by the providers' safety guardrails. We ran the forensic analysis instead on our own infra: no attacker data, and none of the credentials it referenced, left our en…”

Opportunity & adoption

1 expert

New capabilities, benefits and practical upside.

“These programs are made from humanity's collective efforts. It's vital that their code and weights be available to all human beings, not just so that progress can be iterated faster, but also so that bad actors can be stopped faster as well. Great example h…”

Questions & unknowns

1 expert

What remains unresolved or contested.

“Question for Twitter hivemind: Attached is a sentence from the Hugging Face initial report on hacking incident (https://t.co/PuIHBdLCXK). Can anyone explain to me what "executing many thousands of individual actions across a swarm of short-lived sandboxes" …”

Primary source huggingface.co ↗
Established AI research Research 11d ago
⚡ 3 h early
mathematics age of AI

Mathematics in the age of AI

7 experts across 4 network communities independently surfaced this.

Why this matches Questions & unknowns reaction 1 attributable expert contribution · Mary Branscombe
“trivially easy to verify one proof; how about a few 100? now do the pipeline for getting those from verified to part of the discipline of mathematics, that's the bit we need to work on (in every sphere, not just maths)” evidence ↗
7 experts 4 communities 1 sources clustered
Ramon Astudillo Sireesh Gururaja Robert Hawkins Sung Kim Rohan Paul Stephen Turner Mary Branscombe
How the network is reacting 4 experts are independently emphasizing research & technical analysis.
Reaction converging

Research & technical analysis

4 experts

Evidence, methods and technical implications.

“Paper from the essay. Also slides teorth.github.io/tao-web/slid... arxiv.org/abs/2608.16753”

Questions & unknowns

1 expert

What remains unresolved or contested.

“trivially easy to verify one proof; how about a few 100? now do the pipeline for getting those from verified to part of the discipline of mathematics, that's the bit we need to work on (in every sphere, not just maths)”

Primary source arxiv.org ↗
Established AI field signal Analysis 5d ago
⚡ 7 h early
AI detection tools accuracy review

AI-detection tools have made huge leaps forward — how good are they?

4 experts across 4 network communities independently surfaced this.

Why this matches Questions & unknowns reaction 1 attributable expert contribution · Scott McGrath
“AI detectors now claim 99% accuracy. However, we still are struggling with AI norms, what degree of AI assistance is OK, or is it ever OK? We still haven't settled what degree should be deemed acceptable (a hard line 0%, <50%, higher?) and in what context (…” evidence ↗
4 experts 4 communities 1 sources clustered
Will Oremus Scott McGrath sorelle Stephen Turner

“AI detectors now claim 99% accuracy. However, we still are struggling with AI norms, what degree of AI assistance is OK, or is it ever OK? We still haven't settled what degree should be deemed acceptable (a hard line 0%, <50%, higher?) and in what context (…”

“For anyone interested in a less juicy (zero burps) but more evidence-based assessment of Pangram's workings and accuracy, I highly recommend this @nature.com piece by @miryamnaddaf.bsky.social & @richvn.bsky.social: www.nature.com/articles/d41...”

Primary source nature.com ↗