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20 September
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.
Bluesky Checked my spam folder Saw emails from Instinct's AI bot Closed my spam folder Cold email is increasingly dead, and tools like Instict will speed it up even more Related
x.com Checked my spam folder Saw emails from Instinct's AI bot Closed my spam folder Cold email is increasingly dead, and tools like Instict will speed it up even more Related
19 September
CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.
Looks like today may be a record day for token volume % of open models on Vercel AI Gateway: 🟦 Open 78.4% 🟨 Closed 21.6% While spend 💲 usually tells a different story, #3 and #4 today are Moonshot AI & DeepSeek. Adding Z.ai, their combined spend surpasses OpenAI (#2). (Do note that's the spend for inference of the model across providers (mostly in the US), not revenue going directly to the open weight labs.) OpenAI Related
18 September
Mac and iOS developer at the Iconfactory, where he has worked on apps including Twitterrific and Tot. He writes about development at furbo.org.
Another surprise: the closed (external screen) view has navigation on the right. But it can also be on the left in the side-by-side layout: Related
Pulling up a keyboard on a closed Duo is likely to be a surprise: don’t forget to check it. Related
Writes The Diff, a newsletter on inflections in finance and tech read by hedge fund managers, founders and VCs. Previously worked in finance at SAC Capital/Point72.
Machine-learning researcher on open language models; writes the Interconnects newsletter and the RLHF Book, after leading post-training at Ai2.
With the latest external hack of OpenAI via Claude, closed models continue to be the tip of the iceberg on AI risks, not open models. They have been 1) much easier to get started with, 2) more capable & 3) shipped with leaky safeguards. Finetuning open models to specific attacks is harder. Anthropic OpenAI Related
17 September
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.
Everyone is vibecoding apps. Almost none of them have users and almost none of them make money Then I met Christophe. He has three kids a soda company and no coding ability. His AI sales agent just closed a Four Seasons In this new video he shows me how he built it Related
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.
Another great point from @jason. The large closed model corporations have publically admitted their products are defective & can be used to hack/cause cyber crimes. They should 1) fix these issues, & 2) disclose these large (seemingly likely) liabilities in their S-1. Quoting @Jason The frontier model companies are responsible for how their products perform in the real world, and their customers are responsible for how they use them. If a user of Claude runs a cyberattack — especially one at scale — both the customer and the platform will be sued. This should be enough of an i… Related
14 September
Venture capitalist and founder of Theory Ventures, previously a partner at Redpoint. Writes a near-daily blog on startups, SaaS metrics, data and AI.
Are we seeing an AI pacing rotation? 🧵 While mega-cap infrastructure digested capex today (ORCL -4.3%, NVDA -2.8%), software surged : • Median SaaS stock up +4.5% (avg +5.2%) • 12 companies gained >= 10% in a single day • 92% of the index closed green (80 of 87) SaaS Related
Professor of economics at George Mason University and Bartley J. Madden Chair at the Mercatus Center. Co-writes the blog Marginal Revolution and co-authors the textbook Modern Principles of Economics with Tyler Cowen.
12 September
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.
Creator of Flask and Jinja. Writes about software at lucumr.pocoo.org.
America
Their words
the models that are actually causing issues right now are all closed weight American models. I’m fairly certain if they were open weight models, we would not have that issue.
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P(doom) lucumr.pocoo.org
11 September
Programmer, musician and author of The Passionate Programmer; organised RubyConf and RailsConf and has worked as a CTO.
The @bsky.app starter pack thing is such a great example of making an open product/ecosystem feature out of someone else's closed, extractive bullshit. Thank you to whoever designed and implemented it. Related
Machine-learning researcher on open language models; writes the Interconnects newsletter and the RLHF Book, after leading post-training at Ai2.
9 September
Design engineer; formerly at Linear and Vercel; author of Sonner and Vaul; teaches animations.dev.
A small quality of life update: When you were using the Linear Agent and a toast was render, it covered the chat. Now the toast renders next to it and changes position when the chat is open/closed. Related
Founder of Farnam Street (fs.blog) and host of The Knowledge Project podcast. Writes and curates on decision-making, mental models and rational thinking.
The Bill Gates-Steve Jobs rivalry. "These two guys, they would, they would take a crap on each other at any chance they could." They were polar opposites. The core of the debate was open vs closed systems. "If you were sitting around in 1995 ... You would have thought that the open system makes more sense. Bill Gates and Microsoft are the future. But if you're sitting around in 2026 and looking at all this, it looks more like the closed ecosystem, the Apple ecosystem, is actually the success." Quoting @shaneparrish Steve Jobs almost disappeared from history. After being ousted from Apple, he spent 12 years struggling. He: • Alienated the people closest to him • Blew up deals that could have saved his company • Refused to compromise • Drove away his co-founders and investors • Burned through hundreds of millio… Related
8 September
Indian software engineer and co-founder of Skcript; builds web apps and writes at varunraj.in.
Was playing around with the device @imkarthikk got which had a closed source firmware without a docs on pin mapping for each peripherals. Used @grok to reverse engineer the pin config and wrote a new firmware on top of it Related
7 September
Investor and writer. Previously a partner at Andreessen Horowitz and a product leader at Twitter, Facebook, Snap and Microsoft. Writes essays and memos at sriramk.com.
seeing the Astra + Blender work makes me think open source tools will have a strong advantage in the AGI era given how much A) online content exists around them and the models learn from that. B) they tend to be more programmer friendly / hackable than closed tools. AGI open source Related
6 September
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.
Great piece that helps explain the seemingly contradictory rhetoric emanating from the closed AI model companies. I agree the #1 actionable take is to hold the companies accountable for their product’s behavior. nytimes.com
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3 September
Builds developer tools — SST, and now OpenCode at Anomaly. Posts constantly on x.com and writes almost never; the blog stopped in 2021.
2 September
AI research engineer working on large language models. He writes the Ahead of AI newsletter and is the author of Build a Large Language Model (From Scratch).
A lot of hype around OpenAI's Astra model here on my timeline today. Apparently, this goes back to a new article from The Information, which said Astra is a "recurrent depth or looped transformer". It's always interesting to read about new or different approaches (including rumors about what the closed labs may be up to), but let's debunk this a bit. About 2 months ago, I shared the architecture details of Nanbeige, for example, where "Nanbeige4.2-3B is pretrained from scratch on 28T tokens with a Looped Transformer that reuses the layer stack to increase capacity without adding parameters."… OpenAI Related
31 August
Venture capitalist and founder of Theory Ventures, previously a partner at Redpoint. Writes a near-daily blog on startups, SaaS metrics, data and AI.
The frontier AI market is sorting itself into closed camps, as labs pick partners, cut rivals, & ration access to their strongest models. Related
Founder of Trilogy Software and principal of Alpha School, the private school network built around two hours a day of AI-delivered mastery learning.
Their words
AI because it's on a onetoone basis is giving us a data loop that nobody in learning science no one in education has ever had and we have it. It's a closed loop and that magical data loop is what's allowing us to get the five to 10 times improvements in education because it's our microscope.
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youtube.com
21 August
Co-founder of AngelList. Writes and podcasts at nav.al in short, aphoristic pieces on startups, wealth and judgement rather than long essays.
China
Their words
Frontier Labs are incented to be fearful as it provides a moral justification for staying closed.
Chinese Labs take the consistent position of doing what’s good for all and being open.
So the little guys find themselves in the uncomfortable position of rooting for the Chinese…
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@naval on X x.com
18 August
US science and technology adviser to the president, director of the White House Office of Science and Technology Policy; previously US chief technology officer and chief operating officer of Scale AI.
open source America
Their words
if the US wants to lead in artificial intelligence, we have to have a vibrant closed and open source ecosystem, and that's the only way they can all work together.
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youtube.com
17 August
Machine-learning researcher on open language models; writes the Interconnects newsletter and the RLHF Book, after leading post-training at Ai2.
15 August
Brazilian software engineer, creator and maintainer of GoReleaser; works on Copilot CLI at GitHub. Writes about tooling and his setup at carlosbecker.com.
This week stats (Mon-Sat): - 6x BJJ - 4x gym - light cardio every day (walk dog etc) - 20 issues open - 25 issues closed - 38 PRs open - 32 PRs merged Wanted to hit the gym again today, but my forearms are absolutely toasted... Maybe some OSS work and that's it for the week 🙏 Related
2 August
Software engineer; co-founder and former CTO of Tailscale, previously on the Go team at Google.
23 July
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.
22 July
Machine-learning researcher on open language models; writes the Interconnects newsletter and the RLHF Book, after leading post-training at Ai2.
20 July
Co-founder and head of policy at Anthropic; writes Import AI, a weekly newsletter reading the week's AI research, and was OpenAI's policy director before that.
1 July
Indian value investor who taught Behavioural Finance and Business Valuation as an adjunct professor at MDI Gurgaon. He writes the Fundoo Professor blog about investing, moats and mental models.
Thanks to your intervention, the @rblbank has started reversing some of the fraudulent debits. Earlier they had flatly refused to do so in writing and in fact informed me that the “case is closed” even though it’s pending with @RBI Ombudsman. One big lesson for me: Don’t have debit cards. Cancelled all of them. Use credit cards instead and always pay in full before due date. Quoting @suchetadalal If this can happen to @Sanjay__Bakshi - it can happen to all of us. @rblbank has a serious issue judging customers !! Related
30 June
Independent iOS developer and podcaster; co-hosts the Accidental Tech Podcast and Analog(ue), and makes the apps Callsheet, MaskerAid and Peek-a-View.
Their words
(The MacBook Pro sits closed, in a 12 South BookArc, when docked at home)
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usesthis.com
23 June
British designer and technologist; co-founder of the design studio BERG, which made Little Printer, and writer of the blog Interconnected.
Took the afternoon off to do kid wrangling because the school is closed from the heat (trading with other families who take over kid wrangling other days this week) and I think that is my first “climate day” as a reason for not working? Related
16 June
Programmer; makes Handmade Hero and teaches Performance-Aware Programming, and argues loudly about how software got slow.
Will AI End the Open Internet? Listen now | With previously open source projects going closed, and artists increasingly concerned about posting their work online, is AI reversing the internet’s long-established trend toward openness?
open source Related
9 June
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.
open source China
Their words
the competitive dynamic in China is more intense because it's more intense. Everyone's chosen to go open source and that creates a system that in my mind is capable of innovating far faster than the competitive system we have here. All the models learn from one another.
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youtube.com
27 May
Swedish programmer with degrees in engineering and psychology, author of Your Code as a Crime Scene and founder of CodeScene.
Hot take: the Open-Closed Principle is less a guiding principle and more a natural consequence of good design. Related
26 May
Lawyer and everyday-carry gear reviewer who publishes scored knife, flashlight and multitool reviews at Everyday Commentary.
15 May
Statistician and software engineer who writes R packages for reproducible research and publishing, including knitr, bookdown and blogdown.
8 May
Science fiction novelist, journalist and technology activist; writes the daily blog and newsletter Pluralistic, and coined the term enshittification.
Their words
The result is something that's beautiful, sharp, critical and lingering. Long after I closed the cover, I found myself mulling over the delicate ways that Lai raised the contradictions, sorrows and beauty of queer love, racial identity, camaraderie, self-control, and self-indulgence. Lai's characters have no answers, only questions that can never be fully resolved. Instead, these questions are the defining puzzles, defeats and triumphs of their lives.
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pluralistic.net
7 April
Product designer and entrepreneur; author of Mobile First and Web Form Design; formerly a product director at Google; now building AI products.
12 January
Indian software developer and prolific blogger on PHP, Laravel and JavaScript; open-source enthusiast publishing near-daily at amitmerchant.com.
1 January
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.
29 November 2025
President of the United States, the 45th from 2017 to 2021 and, as of 2026, the 47th; before politics a New York property developer who ran the Trump Organization, and the host of The Apprentice from 2004 to 2015.
To all Airlines, Pilots, Drug Dealers, and Human Traffickers, please consider THE AIRSPACE ABOVE AND SURROUNDING VENEZUELA TO BE CLOSED IN ITS ENTIRETY. Thank you for your attention to this matter! PRESIDENT DONALD J. TRUMP Related
13 August 2025
Economist specialising in China's economy, international macroeconomics and global trade, and author of The New China Playbook.
China America
Their words
The trade deficits have widened since Trump, right? They haven’t closed the imbalance with China and with the rest of the world because ultimately the US saves less than it invests. And that’s a macrophenomenon. It’s not a trade phenomenon
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youtube.com
5 March 2025
Design engineer and illustrator; makes visual essays on programming, anthropology and what language models do to the way people write.
March 2025 Well, I've had a dramatic start to the year. Normally, the design agency I joined a short eight months ago, unexpectedly closed down in January. Despite running for a decade and working with almost every major tech comp…
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