Taleb still uses Medium for publishing, and many people recommend Substack.
Unresolvable The public record could not settle it.
Factual: Statements about the present or the past, checked against the record: did they hold up?
The second judge would not resolve this claim; the verdict shown is the first judge's.
The evidence is the person's or their organisation's own records.
What would count as true or false
Judge as of 2025-09-22. True: Taleb had an active Medium account where he was still posting in or shortly before September 2025 (e.g. posts dated in 2025), and he was in fact getting recommendations to use Substack (e.g. the replies or comments to this post, or other public suggestions). Mostly true: he was still a Medium user who had posted recently, but the recent posts are somewhat older (e.g. late 2024), or the evidence that 'a lot of people' recommended Substack is thin, though some did. Mixed: one part holds and the other is not shown. Mostly false: he had a Medium account but evidence shows he had stopped posting there well before September 2025 (no posts for over a year). False: he had no Medium account, or he had clearly left Medium before that date (e.g. a dated announcement that he had moved elsewhere).
Set before the research began.
Evidence (4)
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E1 Black Swan Archives - Nassim Taleb nassimtaleb.org (Nassim Taleb's own site) Own record
“Lecture at the Annual Meeting of the Ron Paul Institute, 2025”
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E2 Black Swan Archives - Nassim Taleb nassimtaleb.org (Nassim Taleb's own site) Own record
“Continue reading on Medium: nntaleb.medium.com/the-world-in-which-we-live”
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E3 Black Swan Archives - Nassim Taleb nassimtaleb.org (Nassim Taleb's own site) Own record
“ARGUMENT CLOSED (2025): The argument is now closed thanks to paper by Brown, Wai, and Chabris that tried to rebut the piece below, but confirmed all of its conclusions.”
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E4 The World in Which We Live nntaleb.substack.com (Nassim Taleb's Substack) · 22 September 2025 Own record
“Friends, I have seven points. Why seven? Because I’ve been reading too much Babylonian history recently.”
Reasoning
Taleb's site links to a Medium account [E2], but none of the evidence dates any Medium post, so it does not show he was still posting there in or shortly before September 2025. The 2025 items [E1, E3] are not tied to Medium, and no evidence item shows people recommending Substack to him.
Cite this claim
Nassim Taleb, “Taleb still uses Medium for publishing, and many people recommend Substack.” (said 22 September 2025). Verdict: unresolvable. Reliability API, claim c_d6ae9e1bb937, method 0.1.0+28da144b, dataset release v1.1.2. https://epistacklabs.com/claims/c_d6ae9e1bb937
This claim is in dataset release v1.1.2, with the same verdict.
Reply to this claim
More factual claims by Nassim Taleb
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Mostly true
“adds 3 chapters and an appendix on Max Entropy distributions (includes Tsallis Entropy).”
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Resolved true
“Just to remind people that I have NOTHING to do with "nassimtaleb. org"”
Nassim Taleb has no connection to the website "nassimtaleb.org".
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Resolved true
“We respond to Tetlock et al. (2022) showing 1)”
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Resolved true
“I am writing these lines from the vantage point of my specialty of decision making under uncertainty, not that of theology”
The author's specialty is decision making under uncertainty, not theology.
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Mostly true
“This part in Fooled by Randomness was inspired by the psychology of depositors in #Lebanon who enjoyed steady AND high returns.”
Verdicts are made automatically; how verdicts are made.