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• 9 in 10 children in the world’s poorest countries cannot read this sentence. In my new Substack issue, I look at why the global education crisis is not quite the crisis many of us think it is, and why some solutions are remarkably effective. #PeterSinger #Education #GlobalPoverty

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• 🆕 blog! “How to get a DOI for your blog posts” Each new post on this blog now has a Digital Object Identifier. This post looks at the how and the why of getting one, whether it is useful, and any issues you might experience if you go down this path. Table of Contents Background A few years ago, I documented how to to get an International Standard… 👀 Read more: https://shkspr.mobi/blog/2026/09/how-to-get-a-doi-for-your-blog-posts/ ⸻ #academia #citation #DOI #HTML #WordPress

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Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.

• Equity investors sell the dream; bond investors price the funeral. Here’s what they’re charging those undertaking the now debt-financed DataCenter Rush: **Debt & DataCenters: CHART OF THE DAY** FaceBook bankrupt in one scenario in fifteen in five years? SpaceX & Oracle one in six? That appears to be what those willing to lend to FaceBook right now are thinking... https://braddelong.substack.com/p/hyperscaler-debt-default-risk > 2026-09-15

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Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.

• “Does not replicate” is a very polite way of putting this. Overly polite. By a lot. By a factor of x100, perhaps: **CROSSPOST: ANDREW GELLMAN: “Replication Crisis”, Dan Ariely Files** Andrew’s title: “I am shocked, shocked to learn that this 2002 paper by Dan Ariely is based on dubious data & doesn’t replicate”; but in addition to frauds, there are the honest but non-robust too... https://braddelong.substack.com/p/crosspost-andrew-gellman-replication > 2026-09-14

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• “Never stay for a long time in one place... When you stop somewhere... things start to stick. When you go from one place to another, you are cleaning yourself.” photographer Josef Koudelka, quoted in @casparhenderson 's new substack.

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• just realized replies to my substack posts to have been going to spam for, oh, about a year. SORRY IF YOU EMAILED ME 💔💔💔

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• Forty-three years a teacher, a role model who treated every economy as a system worth understanding whole, and a friend to me, always insisting you check all the boxes—and then go away, think harder, and circle back: **In Memory of Jeffrey Williamson: SATURDAY “SLOUCHING” & FRIENDS** Economic history & related topics: The man who woke up eager, and the discipline of working as hard as you can to get the numbers right... https://braddelong.substack.com/p/in-memory-of-jeffrey-williamson-saturday > 2026-09-06

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• I wrote up the talk I gave for userR! 2025: tidydesign.substack.com/p/a-no-bulls.... A lot has changed in the last 12 months, but the bulk of this talk still resonates with me.

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Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.

• I asked a local instantiation of google/gemma4:31b-mlx to introduce itself to my new research assistants and point at its own workspace. What came back was a meditation on Plato, salamander brains, and why you should treat it like an eccentric roommate: **ThothBot Makes an Appearance in My RA-Group Telegram Chat: FRIDAY FOG & FLATLANDS** Living & working in Berkeley, California: An AI writes an introduction to my research assistants, & PanGram/SubStack grades it 100% not-slop; or, what... 1/

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• With Agent Pilot you can create and manage agent skills in WordPress (just like blog posts) and publish them as standard Agent Plugins. Now with OAuth Pilot you get one-click authentication for all the MCP clients (Claude, ChatGPT, etc). No more application passwords!

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• x.comI was on BBC Inside Science yesterday with Roland Pease as Presenter's Friend. We talked about a new way of dating an artefact, the appearance of a decagon on Saturn and a about a hint of dark matter. You can read all about it on my substack here: https://t.co/A6f2H6rcEg? 1/2

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Writer and programmer; co-founder of the software studio Postlight and author of the Bloomberg Businessweek essay What Is Code?

• A neat project at work: We built an archive for Lapham's Quarterly as part of its (gradual, ongoing) relaunch—full access if you subscribe. It's been nice to see and read it again. Ping if you find bugs. archive.laphamsquarterly.org (they relaunched temporarily at laphamsquarterly.substack.com).

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Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.

• Paul Krugman’s Substack has become essential reading, and this piece exemplifies why: a clean takedown of the Trump-Bessent claim that Ukraine and “the conflict Iran” bear responsibility for high fuel prices today: **CROSSPOST: PAUL KRUGMAN: Imperialist Delusions & the Price of Fuel** Paul’s subheadline: “Trump & Bessent tried to betray Ukraine. Now they don’t have any cards”… https://braddelong.substack.com/p/crosspost-paul-krugman-imperialist > 2026-09-03

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Economics professor at George Mason University and author of The Myth of the Rational Voter, Selfish Reasons to Have More Kids, The Case Against Education and Open Borders. Writes Bet On It.

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• If I’m linking to a Substack article — or Medium — you know it’s worth it. I know this is very old news, but Dolly was a gift.

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• Announcing the Palomar registry of Lean formalized mathematics: palomar-registry.org . See also my blog announcement at terrytao.wordpress.com/2026/08/18/p... and the Lean Zulip channel at leanprover.zulipchat.com#narrow/chann....

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Co-founder of WordPress and founder of Automattic; blogs at ma.tt.

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• Trying out Agent Pilot WordPress plugin prototype to self-host host AI skills. Let's you manage and publish agent skills without having to figure out Git or GitHub.

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Swedish programmer with degrees in engineering and psychology, author of Your Code as a Crime Scene and founder of CodeScene.

• I made a conscious effort to unplug during my vacation. Coming back, I noticed the lovely new Substack feature: Scan for AI text. Coincidentally, I had updated the About section for my Substack a while back with some notes on what my blog is *not*: "## What this isn’t Content creation isn’t my job. I write these articles because I a) love to write, and b) care deeply about our profession. It’s a fun hobby, not a job. Consequently, I don’t feel any pressure to publish on a schedule. I’d rather publish less and maintain a higher quality bar. So far, that has worked out to roughly one article pe…

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Co-founder of WordPress and founder of Automattic; blogs at ma.tt.

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• We often overlook how WordPress was THE vibe coding of the previous decades. Now there are just way more options available.

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• One of the most consequential and thoughtful economic policymakers of last 30+ years--@genebsperling --is now on Substack, I subscribed.

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• John Jones, Jen Paulhus, David Roe, Andrew Sutherland, and I have launched the third SAIR challenge, this time aimed at attacking the notorious inverse Galois problem: competition.sair.foundation/competitions... terrytao.wordpress.com/2026/06/16/t... .

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• thank you substack & sana & odd lots & pangram & new york city !!! back 🔜

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• This update expands editorial workflows with new experiments for Content Classification and SEO-friendly Meta Description generation, adds bulk Alt Text generation in the Media Library, and improves extensibility and reliability across the plugin. https://make.wordpress.org/ai/2026/04/10/whats-new-in-ai-0-7-0/ #WordPress #AI #OpenSource

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Economist; Ronald A. Kurtz Professor of Entrepreneurship at MIT Sloan, former chief economist of the International Monetary Fund, and co-author of 13 Bankers and Power and Progress.

• https://t.co/BByvQpLiwH latest episode of Power and Consequences (Gary Gensler and Simon Johnson) on Economic Impacts from the Iran Conflict; substack post links to data sources and suggested additional reading #OOTT

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• An underappreciated thing about Substack is that it has slow virality. That social media thing where you have to churn out content because it is forgotten after three days is much less the case here. If you want to, you can put in serious effort into making a properly good piece, and it will keep getting read for years. This is a very good thing for both readers and writers, and I wish more people leaned into making few but exceptional pieces: doing things well is a viable strategy here in a way that it wasn’t on older platforms.

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Swedish essayist who writes Escaping Flatland, a newsletter of essays on relationships, thinking, writing and homeschooling.

• When my Substack had sub-100 subscribers, I would contact nearly everyone who commented (on internet forums where I cross posted my essays). Most people are up for a conversation if they think you wrote a decent post, but it usually doesn’t happen if you’re not the one asking for it. I met some truly extraordinary people that way, and grew so much from our conversations. I think it is a very underrated way to use the internet.

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Mathematician at UCLA, working mainly in harmonic analysis and partial differential equations. Writes What's new, a long-running blog on their research, open problems and expository notes.

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• Ribbonfarm (the Wordpress blog) is experimenting with a rough, notebook style in 2024, with shorter, more frequent journal style entries (2-3/week, sometimes more), so not all links will be tweeted. If you want to keep up, you should probably sign up for the newsletter digest.

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Palaeontologist at Queen Mary University of London; studies dinosaur behaviour and writes about what the fossil record can and cannot tell us.

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