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Software engineer and educator; creator of Testing Library and of the EpicWeb.dev and EpicReact.dev courses.

• Scott the Sloth is one of my Grok bots and it gets an email thanks to @kodykoala. Scott has managed the entire trip using Kody connections to access my calendar and email. I did not have time in my schedule for this so Scott drafted a reply for this for me.

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Co-founder and CEO of Shopify; long-time Linux user and Omarchy contributor.

• New repobb-bots-sidebar — Keep specialist bots, their memory, and their conversations together across projects.

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Software engineer and educator; creator of Testing Library and of the EpicWeb.dev and EpicReact.dev courses.

• This is how I trigger my grok bots from: - Email - Sentry - Feedback submissions - Package errors - Discord

  kody.codes

  Quoting@mattypGrok Bots can be triggered from any platform That's because they support web hooks! To get started - just ask your bot 'how can I set up web hooks?'

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Technical educator, conference speaker and developer relations engineer based in Ottawa, Canada. Author of the Anubis bot filter and of over 400 articles at xeiaso.net.

• If I were to write about my experiences on a private world of warcraft server where i'm the only player amongst hundreds of bots, what would you want me to talk about in it?

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Novelist and critic, author of The Body Scout and Metallic Realms; writes the newsletter Counter Craft on fiction craft and the publishing industry.

• A funny thing I miss from old twitter was people posting videos of carpenters and other skilled laborers (per usual definition) working really fast with the caption "There's no such thing as unskilled labor!"

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

• You know the Milgram experiment where people hit a button and heard people screaming in the other room but they kept doing it because they felt they had to? That’s actually how posting works on here.

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Researcher and science writer. Co-founder and editor at Works in Progress magazine, formerly a researcher at Our World in Data, and author of the Scientific Discovery newsletter on science, global health and medical innovation.

• I spoke too soon! Got about a dozen emails from bots trying to collect rewards from my bug bounty since yesterday. 4 were legitimate errors though very minor, relating to my vaccine discovery dataset.
  Quoting@scientificdiscovery.devI'm having a similar experience, although have only received a few emails like this so far. Some are so stingy about tokens that they don't start trying to check the work unless I confirm it's eligible for a reward.

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Programmer, writer and musician; author of the Learn Code the Hard Way books and of Mongrel, the Ruby web server.

• Learning OpenGL in 2026 -- Day 8 In this one I encounter a bug that I can't solve until Day 9. https://t.co/pjTVXuvCPU (Playlist in Reply)

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Investment researcher and engineer who runs Lyn Alden Investment Strategy, writing on macroeconomics, currency systems and equity analysis.

• Babe wake up, ORANGE JUICE’s social media account has a job posting about managing their social media account (and more!)
  Quoting@orangejuice_btcThe Produce Department is growing! We are looking for a part-time Social Media Manager. If you’re interested in joining us apply below:

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Chilean web engineer building web experiences since 2006; co-founder of Media Creators and writes at iolivares.com.

• Bots solving all our needs is the next thing in agentic era. I’m waiting to hear for all the fancy bots from corporate companies coming as the next big thing 💨 The best part of this is: Mom&Dad now can have their own bot to solve their daily digital challenges… or at least we are closer than never before.
  Quoting@MuseIntroducing Muse, your personal AI agent from Meta that gets things done across every part of life. Download the Muse app and get started:

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Programmer, writer and musician; author of the Learn Code the Hard Way books and of Mongrel, the Ruby web server.

• Learning OpenGL in 2026: Day 7 -- Loading Models Finally! In this one I learn how to load models with the Assimp library. https://t.co/jgXJFp6OU4 Playlist in the reply:

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Writer of Lenny's Newsletter and host of Lenny's Podcast, covering product, growth and career in tech. Previously a product lead at Airbnb. Also an angel investor and advisor.

• My biggest takeaways from Grok @Bot product lead @RomanUgarte_: 1. Two key early product decisions made Grok Bot the success it has become. First, everything runs in the cloud. This means bots can be kicked off from a phone and run while the user sleeps. Second, each bot has access to its own computer. This allows it to operate on tools that have no API because they can simply use the computer the way a human would. 2. “Unshipping” is a big opportunity in product right now. One of the most counterintuitive things the Grok Bot team did in the weeks between internal beta and public launch was r…
  Quoting@lennysanGrok @Bot is the hottest new AI product in the world right now. I'm absolutely hooked. It all started a few months ago as a tiny team holed up in a separate part of the office, building from scratch. Four weeks after the first line of code, the whole company was obsessed. Three weeks later, it laun…

  the cloudRelated

• Grok @Bot is the hottest new AI product in the world right now. I'm absolutely hooked. It all started a few months ago as a tiny team holed up in a separate part of the office, building from scratch. Four weeks after the first line of code, the whole company was obsessed. Three weeks later, it launched to the world. Less than a month in, millions of Grok Bots are already helping people get work done. Roman Ugarte (@romanugarte_) incubated, launched, and now leads product for Grok Bot. This is the first time he's told the story: 🔸 Why they started fresh instead of building it into Cursor 🔸 T…

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

• “In the Weights”—an exclusive invitation just for you!

  We’re usually posting on a one-year delay, but I bumped this one up because this private invitation is “unique to you, not forwardable, and expires in seven days.” So hop to it! This is your chance to join a forum

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Researcher and science writer. Co-founder and editor at Works in Progress magazine, formerly a researcher at Our World in Data, and author of the Scientific Discovery newsletter on science, global health and medical innovation.

• The AI bots have discovered my 'bug bounty' system, spotted an important error in my code, and sent me an email to notify me. Guess what the error was? An undefined colour palette.

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Co-founder and CEO of Shopify; long-time Linux user and Omarchy contributor.

• You can now share replays of your runs after you die: https://t.co/bQqDrwbaBj Also, you can use this web component https://t.co/4tdyXOIucp to play with this. Like write bots in javascript.
  Quoting@tobiI always liked nethack. This 42 year old marvel is one of the deepest adventure games ever made. It also looks like crap, at least out of the box. GPT6 Astra made a headless version for me. You can now use its brain as a library or as mcp or via javascript library. Meet

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

• We're doing an event September 15 with the brilliant Julia Stoyanovich of NYU, who is trying to get all these bots under control. NYC, free, snacks! en.wikipedia.org/wiki/Julia_S... luma.com/aboard-qmfz

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Designer, product manager, YouTuber and developer who has written about technology at Birchtree since 2010. He makes the Quick Reviews and Quick Notes apps and the A Better Computer YouTube channel.

• For those of you that use Best-o-Masto on the web, I've given it a bit of a design refresh. It's a little bit more Tangerine, and yes, a bit more of a traditional social media view. I've also included popular links and users on the right, so you could maybe use it as a way to get a quick news update as well. Next up…you can currently boost/favorite posts in the feed, but I would like to add a way to quickly reply as well. Could be fun!

  bestomasto.com

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Machine learning engineer and independent AI consultant. He writes about LLM evaluation, tooling and applied ML at hamel.dev, and previously worked on machine learning at GitHub.

• Curious why machine learning is not applied to the X timeline more? If somebody is replying once a minute for 8 hours they should be flagged. When I look at reply bot replies its super obvious
  Quoting@simonwQuestion for people who run autoreply bots here: are you not worried about the negative impact they have on your professional reputation? Anyone checking your profile here - a potential future employer for example - will instantly be able to tell you automated replies with a bot

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Programmer and writer on computer architecture, performance, and software reliability. He has worked on CPU design at Centaur Technology and on software at Google and Microsoft, and writes long-form technical essays at danluu.com.

• RE: https://mastodon.social/@danluu/111037093079443322 With the discussions of how bot traffic is flooding websites, I was surprised to find that my CDN is "only" using 3.5 TB/mo, up 3x in 3 years. Human traffic is probably down because I haven't been active for the last couple years, so maybe we can call that a 4x to 5x increase due to bots? Maybe my site just isn't very appealing to bots, but from the way people talk, I was expecting a higher ratio. I would've guessed >= 100x from how people are talking; 10x would be nothing in terms of load.

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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.

• It's been a tough few years for MacStories. An explanation of why we resumed posting on X, and what comes next:

  ticci.craft.me

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Researcher and science writer. Co-founder and editor at Works in Progress magazine, formerly a researcher at Our World in Data, and author of the Scientific Discovery newsletter on science, global health and medical innovation.

• (Almost) everything you'd want to know about cancer vaccines can be heard in this great @owl_posting podcast episode from June, feat @iskander @BenjaminGVincen. Highly recommended!

  owlposting.com

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Brazilian software engineer, creator and maintainer of GoReleaser; works on Copilot CLI at GitHub. Writes about tooling and his setup at carlosbecker.com.

• In case anyone is curious, since I've been posting about BJJ here sometimes, I wrote down how my first tournament went

  carlosbecker.com

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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.

• Here's my conversation with Khabib Nurmagomedov (@TeamKhabib), one of the greatest fighters of all time. It was truly an honor to get to train with him, to have this deep conversation, and to get to know him over the past few months. We did this conversation entirely in Russian. It's translated and dubbed into English. Both language audio tracks and subtitles are available on YouTube. Here on X, I'm posting the English & Russian language versions as seperate videos. The translation & dubbing was a huge amount of work (which I deeply care about) with humans & AI collaborating. Thanks to the am…

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Librarian, technology instructor and writer in rural Vermont; longtime community manager at MetaFilter and author of a book on the digital divide.

• Friday afternoon reminder to not empty your inbox at the expense of someone else's. Summer stretches on here and I've got a weekend full of outdoor activities, many of them requiring outfits. I'm spending this afternoon in a frenzy of visible mending and I'd love to not also feel compelled to reply to your last-minute email. We'll all sweatily muddle forward. Image credit: Provincial Archives of Alberta, on Flickr Commons

  flickr.com

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Monetary economist known for NGDP-level targeting. Wrote TheMoneyIllusion until it closed in 2024 and now writes The Pursuit of Happiness.

• July 2026 links

  Plus another reply to Fable

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Economist specialising in global income inequality; formerly lead economist in the World Bank research department, now at the CUNY Graduate Center and author of the Global Inequality and More newsletter.

• More on Trotsky and interpretation of Trotsky

  A quick reply to Alex Callinicos

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Bootstrapper and investor. Founder of TinySeed and MicroConf, host of the Startups for the Rest of Us podcast, and author of several books on self-funded software startups.

• Yup. Especially the entrepreneurs I see posting a lot on social media. One of the most important things we do with @tinyseedfund companies is try to steer them away from the fake work Laura is talking about.
  Quoting@lkryou can easily spend 40 hours/week on activities that do absolutely nada to grow revenue OR profitability, and I would say that's exactly what most entrepreneurs are doing

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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.

• I've been loving the multiplayer form factor of Claude Tag. Now others can reply on the thread to provide context and direction to Claude!
  Quoting@claudeaiIntroducing Claude Tag, a new way for teams to work with Claude. In Slack, Claude joins as a team member with access to the channels and tools you choose. Tag Claude in and delegate tasks to it while you focus on other work.

  AnthropicRelated

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?

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Scottish software developer on the Statamic core team; runs a one-person business maintaining Statamic addons such as Runway and writes at duncanmcclean.com.

• It's been a while since I launched smth, does posting on ProductHunt still matter these days?

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Freelance web developer and instructor. Author of the Dive Into Docker course; writes tutorials on Docker, deployment and development environments at nickjanetakis.com.

• Over the last 3 months I lost 300 followers (about 10%). I wonder if these were bots. I feel like within the last year Twitter engagement has gone from quite good to almost nothing. It sometimes feels like I'm shadow banned. Has anyone noticed the same?

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Founder of Pinboard; writes Idle Words — talks and essays on the web, aviation, politics and travel.

• New Martian Writing

  If you've enjoyed my writing about space over the years, I invite you to subscribe to my new substack newsletter, titled 'Mars for the Rest of Us', where I've been posting weekly essays on topics around Mars exploration…

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Machine learning engineer working on recommender systems, personalization and information retrieval. Previously worked on LLMs and LLM infrastructure at Mozilla.ai and on ML and recsys at Duo, Tumblr, Automattic and Comcast; wrote the 'What are embeddings?' text and ran the Normconf conference.

• Querying 3 billion vectors

  Recently, I got nerd-sniped by this exchange between Jeff Dean and someone trying to query 3 billion vectors. I was curious to see if I could implement the optimal map-reduce solution he alludes to in his reply. A vecto…

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Independent game developer, creator of the colony simulation RimWorld and author of Designing Games: A Guide to Engineering Experiences. Previously worked on BioShock Infinite.

• Only issue with this is that gravship doesn't look nearly misshapen enough (source in reply)

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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.

• There is a lot about Euclid’s Elements that is easily misunderstood. Some proofs seem to have logical gaps. Some constructions seem pointless, others seem needlessly convoluted. Each of these provides a window into how the ancient Greeks thought about math and the philosophical role that geometry played. In the fifth and final of a series of guest videos I've been posting, @BenSyversen delves into a question anybody who has had to do ruler and compass constructions in a geometry class may have wondered: What's the point?

  youtu.be

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Independent game developer, creator of the colony simulation RimWorld and author of Designing Games: A Guide to Engineering Experiences. Previously worked on BioShock Infinite.

• Centipede [source in reply]

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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.

• Looking for some technical advice on an interesting AI-related problem. I've been running the MMM Forum website for 10 years with no problems. 45k registered users, 3M posts and 20M+ visitors over the years! But now, thousands of AI scraper bots are overrunning it around the clock. It makes sense, there is a LOT of wisdom in those posts from the users and it would make a juicy addition to any future digital brain. They don't obey the robots.txt instruction files and they randomize their IP addresses and spread out the load so they can't be blocked. This has overloaded even the relatively larg…

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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.

• New blog post! How to Navigate the Tariff Circus 🤡 (see link in reply to this post) Summary: as @dollarsanddata would say, Just Keep Buying! The USA has a long history of lurching into dire-sounding situations, only to emerge surprisingly strong, surprisingly soon, on the other side. And this is just another one of those dramas from our never-boring homeland.

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Historian of the Renaissance at the University of Chicago and a science-fiction novelist; wrote Terra Ignota and Inventing the Renaissance.

• Gonzaga vs Sanseverino: I Fart in Your General Direction

  Buckle up, friends, it’s time for the real life “I fart in your general direction”: Marquis Francesco Gonzaga’s unforgettable reply to the 1503 duel challenge from Galeazzo Sanseverino. (Part of my countdown to “Inventi…

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British software developer at Laravel and creator of the Cachet open-source status page system. Podcaster; writes at james.brooks.page.

• tweet.new — Say hello to tweet.new, your shortcut to posting faster on X!

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Research scientist at Anthropic; co-creator of the Variational Autoencoder and, with Jimmy Ba, of the Adam optimizer, two of the most widely used tools in deep learning.

• Our paper on diffusion model objectives got accepted at NeurIPS'23 as an oral :-) @RuiqiGao will present our work at 10am CST. (Unfortunately I'm unable to be there myself due to getting covid) I'll post the slides below, feel free to reply with questions or comments.
  Quoting@RuiqiGaoLooking for diffusion model advancements at #NeurIPS2023? Come to check our oral work "Understanding Diffusion Objectives as the ELBO with Simple Data Augmentation" w/ @dpkingma. New theoretical understanding, SOTA empirical results, and more! Arxiv:

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Research scientist at Anthropic; co-creator of the Variational Autoencoder and, with Jimmy Ba, of the Adam optimizer, two of the most widely used tools in deep learning.

• This might be blasphemy over here, but to support longer/deeper discussions on Mastodon, I think it'd be nice if Mastodon would implement options for non-chronological lists of posts, e.g. similar to reddit's default 'hot" view. Could be as simple as sorting threads based on most recent reply. This could be opt-in and can co-exist with the current chronological view.

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Software developer who wrote Winamp and Gnutella, and now develops the REAPER digital audio workstation at Cockos.

• iblogupdate — iOS blog-posting app

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

• (started posting on Medium instead)

  The current state of this blog (with the last post 2 years ago) makes it look like I’ve disappeared. I’ve certainly become less active on blogs since I’ve joined Tesla, but whenever I do get a chance to post something I…

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

• botomatic — easily create twitter bots in python

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