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Founder of the Free Software Movement and the GNU Project, original author of GNU Emacs and the GNU General Public License, and long-time president of the Free Software Foundation.

• https://civicshout.com/p/don-t-let-trump-weaponize-the-census-against-voters US citizens: call on Congress not to fall for the magats' misleading analysis of the census and voting. US citizens: Join with this campaign to address this issue. To phone your congresscritter about this, the main switchboard is +1-202-224-3121. Please spread the word.

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• [1/2] https://stallman.org/glossary.html#thug https://civicshout.com/p/keep-ice-away-from-our-polling-places https://stallman.org/glossary.html#thug https://stallman.org/glossary.html#thug US citizens: call on the Department of Hostile Savagery to keep the deportation thugs away from our polling places. A Republican gubernatorial candidate in Maine said he would invite deportation thugs to come to Maine's polling places to intimidate and perhaps terrorize voters. Citizens who are

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Security technologist and author of books including Applied Cryptography and Data and Goliath; writes the Schneier on Security blog and the monthly Crypto-Gram newsletter.

• How Candidates Could Use AI for Good

  This essay was written with Nathan E. Sanders, and originally appeared in The Guardian. There are plenty of signs that AI will make all of our experiences of the US midterm elections worse. Voters have anxiety about AI’…

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Co-founder and CEO of OpenAI; previously president of Y Combinator.

• the main thing i was excited about launching this week will be next week instead, but imo worth the wait!
  Quoting@samabig 🚢 this week and then for devday 🚢🚢🚢🚢🚢🚢

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Co-founder of Y Combinator and Viaweb; essayist at paulgraham.com.

• In Texas they found 117 potential noncitizens out of 18 million voters. That's .00065%. And that's an an upper bound; these are merely "potential" noncitizens. This is a fake problem.

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Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.

• The Clarity Act cloture vote has failed by a 49–50 margin; well short of the 60 votes needed. No Democrats crossed over to vote for the bill, and three Republicans voted against. Senator Collins’ (R-ME) NO vote on Clarity was the most surprising today. She was defending the bill to constituents as recently as last week. My guess is she did not believe the bill had a chance to pass, and was more worried about defending a yes vote as her re-election prospects look slimmer. #crypto #cryptocurrency #USpol #USpolitics

  cryptoRelated

Psychologist and writer. Author of the memoir Troubled: A Memoir of Foster Care, Family, and Social Class, and of a newsletter on human nature, psychology, social class and what he calls luxury beliefs.

• If you had no college degree, were backed mostly by voters without degrees, yet claimed to be the voice of the formally educated, people would laugh. But a college grad backed by other college grads can claim to be the voice of the working class and people just accept it. Weird.

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Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.

• MastodonNewsletter: The supposedly “unprecedented” ethics restrictions in the industry-written Clarity Act exempt Trump’s crypto businesses and leave enforcement to his loyalists. Senators must vote no on cloture tomorrow. https://www.citationneeded.news/clarity-act-ethics-charade/ #crypto #cryptocurrency #USpol #USpolitics #ClarityAct #CitationNeededNewsletter

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• NewsletterThe Senate must reject the Clarity Act’s ethics charade

  The supposedly “unprecedented” ethics restrictions exempt Trump’s crypto businesses and leave enforcement to his loyalists

  cryptoRelated

Security technologist and author of books including Applied Cryptography and Data and Goliath; writes the Schneier on Security blog and the monthly Crypto-Gram newsletter.

• Upcoming Speaking Engagements

  This is a current list of where and when I am scheduled to speak: I’m speaking online (via Zoom) at a League of Women Voters event on Tuesday, September 22, 2026 at 5 PM ET. I’m speaking at CanSecWest 2026 in Vancouver,…

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Deep-learning researcher and Turing Award laureate; founder of the Mila institute.

• If we are to avert the worst risks from AI, we need ambitious efforts outside the for-profit sector. @coeff_giving is launching an open call for founders to build new AI safety organizations. Their grantmakers are thoughtful about which risks matter most, so if you’ve been considering starting an organization, I encourage you to apply.
  Quoting@coeff_givingToday we're launching Project Tailwind, a major call for founders to launch ambitious AI safety initiatives: https://t.co/o4ZkHv5UmH We're looking for exceptional people to build the research, technologies, and institutions that will help humanity navigate the risks of transformative AI. 🧵

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Co-founder of Foundry Group and of Techstars. Has blogged at Feld Thoughts since 2004 and has written or co-written nine non-fiction books on startups and venture capital.

• Chapter 30.1: Overflow Want to see how VCs talk in a private chat? How it works when you've got crypto in the mix? Oh, and how confidential information gets leaked to reporters... "You are going to trade on a phone call Trip did not understand."

  zeroknowledge.ink

  cryptoRelated

Canadian software developer and writer, co-editor of the XML and Atom specifications and formerly of Sun Microsystems, Google and AWS. Has written the blog ongoing since 2003.

• Watching the news out of Germany, feeling a bit baffled. AfD looks like another Trumpy ultranationalist racist-in-practice fashy-adjacent culture-warrior gang, but what I can’t understand is the pro-Russian message: https://en.wikipedia.org/wiki/AfD_pro-Russia_movement Why on earth does that appeal to German voters, even hard-right ones? #afd

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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.

• A pump-and-dump dressed up as a fake cabinet post?: Elon Musk’s DOGE took money Congress had lawfully appropriated to fight disease and grow the world economy, and simply nixed it. The crypto coin that Musk was then not so quietly promoting made a round-trip: the DogeCoin chart runs $0.09 to $0.40 and back to $0.09. But the 800,000 or so who would be alive today without DOGE’s illegal and unconstitutional chaos-monkey wrecking ball did not come back: **Elon Musk & His DOGE & DogeCoin... 1/

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Co-founder and CEO of Every. Writes the Chain of Thought column about working with AI tools and hosts the podcast AI & I.

• Astra one-shotted the first draft of its own vibe check for @every 🤯 we learned Astra was launching at 3 am yesterday morning. by 7 am we had a 3,000 word vibe check written. i can't tell you how impressive it is that i woke up to a google doc with a well-written, well formatted article with all of the usual sections, a good headline, and even appropriate screenshots. written in @kplikethebird's i didn't realize Katie hadn't written it herself, she just prompted Astra and it did the rest totally new world!

  GoogleRelated

Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.

• MastodonNewsletter: The SEC’s “Reg Crypto” aims to carve out exemptions, the CFTC wields emergency powers to shield prediction markets from state regulators, and a Trump family crypto firm gets a bank charter. https://www.citationneeded.news/issue-109/ #crypto #cryptocurrency #USpol #USpolitics

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• NewsletterIssue 109 – Reg Crypto

  The SEC’s “Reg Crypto” aims to carve out exemptions, the CFTC wields emergency powers to shield prediction markets from state regulators, and a Trump family crypto firm gets a bank charter

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Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.

• A bit rich for Senator Bernie Moreno — by far the #1 beneficiary of crypto super PAC spending in 2024, now a champion of the industry's legislation — to accuse anyone of caping for special interest super PACs #crypto #cryptocurrency #USpol #USpolitics

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Non-fiction writer, podcaster and occasional TV host. Author of thirteen books including The Ghost Map, Where Good Ideas Come From and Extra Life, host of the PBS series How We Got To Now, and author of the Adjacent Possible newsletter on innovation.

• After working closely with publishers (including @penguindrandom & @BloomsburyPub) and a dream team of leading authors, we're launching a Google-wide program bringing trusted sources (starting with books) to @Gemini_Notebook and more: Expert Intelligence.

  GoogleRelated

Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.

• crypto billionaire Justin Sun has posted an extremely long, extremely weird Twitter post detailing a previous relationship with Chinese actress Jing Tian, suggesting she reneged on a $50 million agreement to use her eggs to have a child with a surrogate (screenshots machine translated) #JustinSun

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FreeBSD developer and former FreeBSD Security Officer; founder of the Tarsnap online backup service and author of the scrypt key derivation function.

• SiteLaunching Route 53 Files

  I'm excited to announce Route 53 Files, a new file system that seamlessly connects any AWS compute resource with Amazon's highest-availability database.

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• x.comLaunching Route 53 Files:

  daemonology.net

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Political scientist writing Drezner's World on international relations, American politics and the marketplace of ideas; author of The Ideas Industry.

• A Reminder that Launching a Trade War With Canada is Galactically Stupid

  This makes no economic sense, no political sense, and no strategic sense.

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Writer and teacher on productivity and personal knowledge management. Author of Building a Second Brain and founder of Forte Labs, which runs the course of the same name.

• Introducing AI Second Brain Meetups

  We’re officially launching AI Second Brain Meetups, a network of local in-person meetup groups in cities around the world! This is for anyone who is building what we call a “Second Brain” – a trusted system for curating…

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Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.

• Issue 108 – In a word, applesauce

  Firms close up shop amid a continued crypto winter, a Trump venture ditches its crypto plans, and the Clarity Act fails to reach a vote before August recess

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FreeBSD developer and former FreeBSD Security Officer; founder of the Tarsnap online backup service and author of the scrypt key derivation function.

• I wonder if Amazon has ever considered launching a simple storage service.

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Data scientist and machine-learning researcher; chief scientist at bitly, founder of Fast Forward Labs and Hidden Door.

• There are smart people working at these companies, and yet they keep launching deeply ill-considered products. It's such an obviously bad idea if you think about it for even a second. I'm fascinated by this.
  Quoting@josephcox.bsky.socialUpdate: Google just sent me a statement saying it is “rolling back” this AI feature that let anyone make completely bullshit satellite images. Comes after our demos of the tool and those from OSINT researchers. One of the worst AI tools I’ve ever seen bsky.app/profile/jose...

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Front-end developer and writer; co-founder of CodePen, founder of CSS-Tricks, and co-host of the ShopTalk Show podcast.

• CodePen 2.0 Noting perhaps my largest personal career accomplishment, which is launching CodePen 2.0. Far more work, believe it or not, than the entire creation of the original CodePen....

  chriscoyier.net

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Pseudonymous writer; posts careful, funny investigations of everyday questions — air quality, seed oils, arguing, chess — usually by reading the studies.

• On a near-daily basis I get emails offering to pay for "sponsored articles" or for linking to sketchy crypto/casino sites. I guess everyone gets these? Search engines surely prohibit this, but does it get your content removed from LLM training?

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Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.

• Mapping Trump’s crypto empire on Last Week Tonight

  A new Citation Needed data project maps the Trump family’s web of cryptocurrency ventures, which have been generating billions in income for the president.

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Co-founder of Foundry Group and of Techstars. Has blogged at Feld Thoughts since 2004 and has written or co-written nine non-fiction books on startups and venture capital.

• Zero Knowledge: Twenty Chapters In

  A month ago I opened up Zero Knowledge, the crypto-thriller I'm co-writing with my AI. There are twenty chapters now, a cast page, a plate for every chapter, and a pile of reader notes I'm grateful for.

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Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.

• Issue 107 – An unserious offer

  The crypto industry has spent $200 million to get a bill too corrupt for Democrats to pass and a president too corrupt to sign anything that might meaningfully limit his grift.

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Cryptography engineer; maintains Go's cryptography libraries as a full-time open-source maintainer, funded directly by companies that use them.

• Opaque, Interoperable Passkey Records (and a Go API)

  Passkey records are an interoperable format for WebAuthn credentials, similar to password hash strings. I propose a potential crypto/passkey Go API based on them.

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Founder and editor-in-chief of MacStories, writing about Apple software, iPad workflows and automation since 2009. He co-hosts the AppStories podcast.

• Siri AI and Apple’s Trickle-Up Strategy

  The new Siri AI in iOS 27. In the month that I’ve been using iOS 27 (launching in public beta today) and the new Siri AI, I’ve come to a few conclusions: Siri AI is a much better Siri and will (probably) be a massive su…

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Founder and CEO of Social Capital, a venture firm; co-host of the All-In podcast and an early Facebook executive. Writes an annual letter and a weekly newsletter on markets and technology.

• The New Private Asset

  Privacy tokens were delisted from exchanges 73 times in 2025, yet they became crypto's best-performing sector. Here's why.

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Security researcher; built Report URI and Security Headers, and writes about web security in practice.

• Top 1 Million Analysis – June 2026: The State of Crypto

  This is part two of the ten-year anniversary Top 1 Million Analysis. Part one covered the broad state of the web — HTTPS, the security headers, cookies, email and DNS hygiene. This part is the bit I've been most excited…

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Co-founder of Foundry Group and of Techstars. Has blogged at Feld Thoughts since 2004 and has written or co-written nine non-fiction books on startups and venture capital.

• Read Zero Knowledge As I Write It

  Zero Knowledge, the crypto-thriller I'm co-writing with my AI, now has a home at zeroknowledge.ink. Six chapters are live, you can mark up any sentence, and the whole thing is being built in the open.

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Co-founder of Foundry Group and of Techstars. Has blogged at Feld Thoughts since 2004 and has written or co-written nine non-fiction books on startups and venture capital.

• Writing a Novel with Phin Argofy

  I've written nine non-fiction books and have no idea if I can write a novel. I'm trying anyway: a crypto-thriller called Zero Knowledge, co-written with my AI, Phin Argofy.

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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.

• Alberto Alfarano, François Charton, Yongzheng Jia, Kristin Lauter, Cathy Li, Emily Wenger, are launching a challenge at SAIR on how efficiently neural networks can perform modular arithmetic:

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Writes Hyperdimensional, a newsletter on AI policy and governance. A White House AI policy adviser in 2025; joined OpenAI on 6 July 2026 to lead its Strategic Futures team.

• A Cascade of Conscientiousness

  Launching FAI's new Physical Intelligence Project

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Founder of Terraform Industries and formerly a physicist at NASA's Jet Propulsion Laboratory; writes about energy, space and manufacturing.

• How to build a lunar mass driver

  Casey Handmer May 2026 What? Elon has recently (late 2025, early 2026) been talking about building many terawatts of orbital AI compute and launching some components from Moon factories with a mass driver. This is an ol…

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Writes Very Serious, a newsletter on politics, the economy and culture, and hosts the podcast of the same name.

• Trump Is Failing the 'Big-Ass Truck' Test

  Trump's bargain with swing voters was that he would deliver a strong economy and they would look past his many defects. By attacking Iran, Trump has broken the deal.

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Founding member of OpenAI and former director of AI at Tesla; creator of nanoGPT and the term "vibe coding".

• Software horror: litellm PyPI supply chain attack. Simple `pip install litellm` was enough to exfiltrate SSH keys, AWS/GCP/Azure creds, Kubernetes configs, git credentials, env vars (all your API keys), shell history, crypto wallets, SSL private keys, CI/CD secrets, database passwords. LiteLLM itself has 97 million downloads per month which is already terrible, but much worse, the contagion spreads to any project that depends on litellm. For example, if you did `pip install dspy` (which depended on litellm>=1.64.0), you'd also be pwnd. Same for any other large project that depended on litellm…
  Quoting@hnykdaLiteLLM HAS BEEN COMPROMISED, DO NOT UPDATE. We just discovered that LiteLLM pypi release 1.82.8. It has been compromised, it contains litellm_init.pth with base64 encoded instructions to send all the credentials it can find to remote server + self-replicate. link below

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Founded PSPDFKit in 2011 and ran it for a decade. Came back from a break to work on AI agents — the OpenClaw project, and OpenAI, joined in February 2026. Writes at steipete.me.

• Gosh this is like a quiet safe haven here. X went completely batshit crazy. Crypto shills attacking me, my account doubling in follower numbers overnight. What a day.

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Writer on the intersection of technology and finance. Author of the Bits about Money newsletter and host of the Complex Systems podcast; previously at Stripe.

• Perpetual futures, explained

  Crypto’s most popular product offers capital efficiency for professionals, leveraged exposure for the masses, rich yields for market makers — and a poorly understood failure mode.

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Co-founder and CEO of OpenAI; previously president of Y Combinator.

• Sora 2

  We are launching a new app called Sora. This is a combination of a new model called Sora 2, and a new product that makes it easy to create, share, and view videos. This feels to many of us like the “ChatGPT for creativi…

  OpenAIRelated

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.

• Thomas Bloom and I are launching a crowdsourced project to link up Thomas's erdosproblems.com site with the #OEIS, by systematically calculating the various integer sequences associated with the Erdos problems and crosschecking them against the OEIS database:

  terrytao.wordpress.com

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Mathematician and maker of the 3Blue1Brown YouTube channel, which explains mathematics through animation. Creator of the open-source Manim animation library and founder of the Summer of Math Exposition.

• Welp, somewhat embarrassingly, yesterday this account was briefly compromised and someone posing as me promoted a crypto project supposedly "tokenizing" manim. Thank you to those of you who quickly flagged it as spam and alerted me to the problem. For future reference, it's a safe bet that you'll never see me creating and promoting a meme coin.

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Programmer on the Dart language at Google and author of Game Programming Patterns and Crafting Interpreters; previously a game developer at EA.

• Really wish Hacker News would fork into "LLM news" and "all the other Hacker News". It's worse now than it was with crypto during the crypto bubble. Yes, gen-AI is important and I want to learn about it, but there are diminishing returns in yet another dude's breathless vibe coding blog post.

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General partner at Andreessen Horowitz from 2013 to 2018 and CTO of Coinbase from 2018 to 2019; co-founder of Counsyl and Earn.com. Wrote The Network State (2022), free in full at thenetworkstate.com, and founded the Network School.

• Crypto Twitter Found SBF's Fraud

  The establishment did nothing until the internet revealed everything.

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Co-founded Neuralink and founded Science Corp, which is building a retinal implant; writes about neural interfaces and biology.

• Thinking of the children

  There is at present a tough battle being fought between technologist defenders of encryption on the one side and just about everyone else on the other. This conflict, sometimes dubbed the Crypto Wars, has a long history…

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Author and clean-energy analyst who writes on solar cost curves.

• Yes, Blockchain Can Help Us Solve Climate Change – Why I Joined Nori

  Over the last two years, as both an angel investor and a public speaker on energy and climate, I’ve looked at least a few dozen startups and proposals on how to use blockchain or new crypto coins in energy or climate.

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