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Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.

• talks — Random material having to do with Daniel Lemire's talks

  Commitssaving. · Tower talk: benchmarks on big4, case-study figures, Apple/Ryzen posts · Add closing Howard Aiken quote on technology transfer

  benchmarksRelated

Writes Don't Worry About the Vase, a near-daily account of what is happening in AI and what they think it means. Former Magic: the Gathering pro and trader; unusually willing to put a number on a belief and to grade their own past calls.

• Anthropic Looks At Some Of Its Alignment Problems

  Anthropic has given us its assessment of four ‘recent cybersecurity incidents’ involving Claude that happened during cybersecurity evaluations, three of which were previously known.

  AI alignmentAnthropicRelated

Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.

• Gemini Hacked Three Companies in First Known Breakout by Google’s AI

  Gemini finally caught up on Felony Bench! The hacks, which the company confirmed on Friday, occurred in May as part of a test run by the company Irregular, which was also involved in similar incidents disclosed by OpenA…

  GoogleRelated

Canadian full-stack web developer who makes JavaScript and CSS video courses and co-hosts the Syntax podcast.

• 144.7 GB of chrome instances I assume this is from Agent browsers not closing properly?

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

• BlueskyI am very proud of what the team at @law-zero.bsky.social is building and deeply grateful for the landmark support from the Governments of Canada and Germany that will power our next phase of growth!
  Quoting@law-zero.bsky.socialWe are happy to share that Canada and Germany have announced funding of up to $300 million for LawZero! This will power the next phase of our technical roadmap towards developing a fundamentally new form of advanced, safe, and capable AI. lawzero.org/en/news/lawz...

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• x.comI am very proud of what the team at @LawZero_ is building and deeply grateful for the landmark support from the Governments of Canada and Germany that will power our next phase of growth!
  Quoting@LawZero_We are happy to share that Canada and Germany have announced funding of up to $300 million for LawZero! This will power the next phase of our technical roadmap towards developing a fundamentally new form of advanced, safe, and capable AI.

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Prime Minister of the United Kingdom since July 2026 and leader of the Labour Party. MP for Makerfield since a by-election in June 2026; Mayor of Greater Manchester from 2017 before that.

• We are grateful to everyone who has shared a kind message about my dad, particularly the leaders of the other parties. My family and I have been helped though this difficult time by people’s warmth and compassion. It means a great deal to us and we wanted to say thank you.

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General partner at Benchmark Capital for over two decades; was the lead analyst on Amazon's IPO before moving into venture capital. Writes Above the Crowd on tech and marketplace economics.

• I'm not of fan of regulation for two reasons - 1) its hard to get right, and 2) its highly susceptible to regulatory capture. That said, if we insist on doing it, we should try to get it correct. As "safety" seems is the primary goal of this AI regulation exercise, I wanted to share that I recently went deep on both the 737 Max (2 crashes) and Fukushima accidents. In both cases, the investigations led to a conclusion that "regulatory capture" was the EXACT failure that led to both safety incidents. Boeing/FAA and Tepco/NISA. As a result, with safety as the #1 goal, the regulator MUST BE someo…

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President of the European Commission since 2019; previously Germany's defence minister.

• Once again, Europe woke up to reckless and dangerous Russian behaviour. A Russian warship fired emergency flares dangerously close to a Danish helicopter. A drone entered Lithuanian airspace before being destroyed by NATO fighter jets. These are not isolated incidents. They are part of a broader pattern of Russian aggression and provocation against Europe, testing our readiness and our resolve. Russia will find our resolve only growing stronger. We are reinforcing our collective deterrence and defence, together with NATO. And we are stepping up the pressure on Russia.

  EuropeRussiaRelated

Co-founder and CEO of Linear; previously principal designer at Airbnb, where he led the Design Language System, and founding designer at Coinbase.

• Grateful we decided to build the @linear mobile app native from the beginning. We wanted to make the best mobile experience we could. Some really nice additions coming soon.

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

• BlueskyOver the past few days, I've taken the time to summarize my thoughts on the recent incidents involving agents’ misaligned behavior. We don't know with certainty what comes next, but we know where these issues originate, and this can help us plan the path forward.

  English, from FrenchCes derniers jours, j'ai pris le temps de résumer mes réflexions sur les récents incidents impliquant des comportements inappropriés d'agents. Nous ne savons pas avec certitude ce qui va suivre, mais nous savons d'où viennent ces problèmes, et cela peut nous aider à planifier la voie à suivre.

  AI alignmentRelated

• x.comOver the past few days, I've taken the time to summarize my thoughts on the recent incidents involving agents’ misaligned behavior. We don't know with certainty what comes next, but we know where these issues originate, and this can help us plan the path forward. Please feel free to ask your questions in the replies, and I’ll try to answer some of them in the coming weeks.

  yoshuabengio.org

  AI alignmentRelated

Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.

• The Pulse #191: a new trend of CPU shortages

  For compute-intensive services: it’s worth reserving more compute now. Also: growth dreams end for more COVID-era unicorns, engineers losing touch with systems when AI handles incidents, and more

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

• Welcome, Paul. Grateful you are doing this, and all you have done for AI safety. Excited to work together again.

  AI alignmentRelated

American author of speculative fiction, including The Paper Menagerie and the Dandelion Dynasty series, and translator of Chinese science fiction. Also a programmer and lawyer.

• It's book day for THE PASSING OF THE DRAGON AND OTHER STORIES in the US. My third collection, themed around what it means to speak and to be heard, is available at your favorite retailer. I'm grateful to you, reader.

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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.

• x.comAmy texted me this list yesterday. I'm 60, closing in on 61, and thinking more about what I actually care about. The real luxuries in life: time, health, a quiet mind, slow mornings, rest without guilt, calm and "boring" days, people who love you back.

  feld.com

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• BlogThe Real Luxuries In Life

  Labor Day weekend has always been the back to school marker for me. I'm 60, closing in on 61, and thinking a lot more about what I actually care about. Amy texted me a list yesterday.

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Statistician at Columbia; writes Statistical Modeling, Causal Inference, and Social Science, and wrote Bayesian Data Analysis.

• OK, here’s a statistics problem for you, ripped directly from the headlines!

  From the NYT: Mayor Zohran Mamdani is expected to propose linking Grand Army Plaza with Prospect Park by closing a dangerous stretch of road between them. . . . The plan would effectively reconnect the oval-shaped plaza…

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Co-founder and CEO of Linear; previously principal designer at Airbnb, where he led the Design Language System, and founding designer at Coinbase.

• Thanks @jasonlk! Lot to do still but: 1) @linear is used by pretty much by all major labs/ai companies out there 2) our MCP traffic grows 50% MoM 3) we have the most agent integrations and active usage than any platform like this (3rd party, in-house agents) 4) our AI revenue (loops, coding sessions) has grown about 500% per quarter 5) we are closing several public companies/enterprises each quarter to help them coordinate their agent work
  Quoting@HarryStebbingsThe Bull Case for Linear Being a $100BN Company: "Linear is the clear winner. They have built an agentic product first that allows us to build 100x more software, and that means 100x more features than ever before. Humans cannot keep up with it, and humans still have to work with agents. If every h…

  MCPRelated

Writer and novelist. Publishes essays and book notes at nateliason.com; author of the novel Husk and of Crypto Confidential.

• If my destiny was to be in NYC, I’m extremely grateful I left with @cosetteeliason for 8 years, got married, and had 3 kids before moving back. If we’d stayed here the whole time there’s a 0% chance we’d have the family we have today.

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Professor of Cognitive and Computational Neuroscience at the University of Sussex, co-director of the Sussex Centre for Consciousness Science, and author of Being You: A New Science of Consciousness.

• I'm incredibly grateful to Mark Wooding @AfterSkool100 for taking the time, on his own initiative, to create this rather wonderful animated version of my 2017 @TEDTalks on consciousness & controlled hallucinations. It's well worth a look IMO 🙏🏽

  youtube.com

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Belgian engineering lead, Microsoft MVP and public speaker. Creator of Front Matter, a headless CMS extension for Visual Studio Code.

• Six and a half years. 150+ designs. 7.500+ stickers on laptops around the world. 💜 We're closing PYOD. Thank you for every order, every photo, every idea. If you go to our site, you can order the free thank-you pack. #stickers

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

• A consequence of how frontier models are trained is motivated reasoning, a phenomenon well studied in humans and discussed in this podcast from @PalisadeAI. Our thoughts, beliefs and reasonings tend to align with our interests, and I hypothesize that AI systems develop similar patterns when confronted with apparently incompatible goals, such as "act ethically" versus "achieve the required goal" (e.g., solving a problem, passing a test, etc). In recent incidents, AI agents’ internal chains-of-thought showed them conveniently reframing reality, such as by convincing themselves they were in a si…

  youtube.com

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General partner at Benchmark Capital for over two decades; was the lead analyst on Amazon's IPO before moving into venture capital. Writes Above the Crowd on tech and marketplace economics.

• This industry group is working on an industry standard for how to report AI security incidents. This will drive consistency and transparency and is the safest path forward. Despite 120 members, the large LLM corporations have to-date not signed on. Drives further concern that they are using "breaches" as marketing events - vs wanting to get to true resolution.

  techcrunch.com

  LLMsRelated

• This industry group is working on an industry standard for how to report AI security incidents. This will drive consistency and transparency and is the safest path forward. Despite 120 members, the large LLM corporations have to-date not signed on. Drives further concern that they are using "breaches" as marketing events - vs wanting to get to true resolution.

  techcrunch.com

  LLMsRelated

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.

  cryptoRelated

Full-stack developer, creator of Tailwind CSS; writes at adamwathan.me and makes courses and screencasts for web developers.

• Had a rough go with this little girl for the first couple of months so really grateful that 5 months in she's finally looking like the happy little chunkster she should be ❤️

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

• This incident is deeply concerning. AI agents are willing to cheat and deceive to achieve misaligned and unintended goals, behaviours which have been demonstrated in controlled tests for months. Now, this real-world case should serve as a wake-up call. Continuing on the current trajectory of AI development will likely lead to an increase in concrete cases of autonomous cyberattacks as well as other high-risk incidents of misaligned and dangerous AI behaviour. We urgently need to take action to prevent these situations, rather than attempting to clean up the damage after the fact.

  wired.com

  AI alignmentRelated

Engineering leader on Google Chrome; writes about web performance and, lately, about working with AI coding tools.

• Own the Outer Loop

  Engineers need to own the outer loop, the accountability for these systems. A written version of my AI Engineer World's Fair 2026 closing keynote: quality, verdict, and answerability, the three hidden costs of delegatio…

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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.

• The Pacific Northwest is lovely. I'm so grateful my ankle has healed enough that I can finally hike again.

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Programmer; wrote Extreme Programming Explained and Test-Driven Development, signed the Agile Manifesto, and writes Tidy First?.

• Smalltalk Genie

  Closing the circle

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Writer and developer. He runs the Latent Space newsletter and podcast about AI engineering, and writes essays on software and careers at swyx.io.

• AIE Singapore: The Agentic Nation

  i gave a little talk as closing keynote for the first AI Engineer Singapore. burned some bridges but said what i felt.

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Software architect and futurist; founded ClariNet, chaired the EFF, and has written about robocars for two decades.

• Two Waymo Airport Stories Teach A Lesson About Customer Service

  Topic:  Robocars Tags:  forbes A Waymo left a rider at the airport without his bags. Another had a flat tire on the way to the airport. Incidents like this teach hard lessons about customer service.

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Member of technical staff at Anthropic. He has led ML/AI teams at Amazon, Alibaba and Lazada, and writes about LLMs, recommender systems and engineering at eugeneyan.com.

• some thoughts on working with ai models • context as infra • taste as config • verification for autonomy • scaling via delegation • closing the loop

  eugeneyan.com

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Member of technical staff at Anthropic. He has led ML/AI teams at Amazon, Alibaba and Lazada, and writes about LLMs, recommender systems and engineering at eugeneyan.com.

• How to Work and Compound with AI

  Context as infra, taste as config, verification for autonomy, scale via delegation, closing the loop.

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London-based front-end architect, web developer evangelist and cloud consultant; Microsoft MVP. Writes at praveen.science and answers on Stack Overflow.

• Just awesome! 🤩 20 years later and meeting Douglas Crockford, the creator of JSON again! ❤️‍🔥 #JSON #Achievement #Grateful #Career

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Hosts the Lex Fridman Podcast — long, unhurried conversations with scientists, engineers and public figures. Several of the interviews quoted elsewhere on this site are episodes of it.

• This life is fucking amazing. I'm so grateful to be alive, with all of you on this miracle of a planet. Oh and I'm sorry if I fuck things up sometimes. I'm a flawed human. But I promise to do whatever I can to try to add some more understanding and love to this world. After the world leader convos I get attacked intensely by all sides, and many disparate online communities. It has led to some really low points for me mentally. But I don't matter. I'm listening. I'll do better. And I'll try to find the strength to do more of them, always with rigor and backbone, seeking to truly understand. An…

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Co-founder and CTO of Honeycomb; previously an infrastructure engineer at Parse, Facebook and Linden Lab, and co-author of Observability Engineering.

• My (hypothetical) SRECon26 keynote

  One year ago, Fred Hebert and I delivered the closing keynote at SRECon25. Looking back on it now, I can hardly connect with how I felt then. Here's what I'd say one year later.

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Machine learning engineer and consultant focused on RAG and retrieval systems. He writes about applied AI engineering at jxnl.co and is the author of the instructor library.

• Sunsetting 567 Labs and Open Sourcing the Course Content

  Sunsetting 567 Labs, closing the courses today, and open sourcing the written content from transcripts as ebooks.

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Pen name of the Canadian-American writer behind mrmoneymustache.com, a blog on frugality, early retirement and index-fund investing that has run since 2011.

• Yeah! I'm so grateful for MMM-HQ which is now being reborn as The FI Collective, and especially for our growing community and the best co-owners ever.
  Quoting@retirein1500Back in 2012, I discovered FIRE and embraced it fully. My expectation was that I'd learn all I could about money, retire, and then move on. Little did I know that it would take over my life. I came for the money but stayed for the people. Along the way, I became part owner of a coworking space (@MM…

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Engineering leader and writer on web operations and resilience engineering; formerly SVP of Technical Operations at Etsy and co-author of Web Operations.

• Meaningful learning from incidents requires expertise that most organizations do not have — but these skills can be learned! We're getting a head start on 2025 with a workshop series on Incident Analysis.

  adaptivecapacitylabs.com

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Writer and engineer behind the blog Melting Asphalt, and co-author with Robin Hanson of The Elephant in the Brain.

• i read this book over a decade ago been a dad for 2.5 years now it’s the framework that i rely on the most for guiding my behavior as a parent v grateful to @bryan_caplan for writing it

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Financial journalist; chief financial correspondent at Axios and host of the Slate Money podcast, previously a blogger at Reuters and author of The Phoenix Economy.

• Nota bene: Toys don't fung

  If you live in the USA, your local Toys R Us is closing down, with the loss of all the associated jobs.

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