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Singaporean writer and author of FRIENDLY AMBITIOUS NERD; blogs at visakanv.com about ambition, writing and thinking in public.

• good news: I’m still available for marketing consults (see pinned tweet)
  Quoting@pmituterrible news: Marketing (even with the use of AI) is still super hard

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Geneticist and writer on human population genetics, deep history and evolution; author of the Unsupervised Learning newsletter.

• this sort of tweet is fine. i have the same concerns
  Quoting@BlakeSNeffI think this is one of the most important facts to be aware of in the debate over Indian immigration: Even relative to other Asian immigrants, Indian Americans are on average very liberal, not just in terms of voting Democrat but also holding particularly left-wing views on specific issues. Indian…

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• so what should i do about it? not tweet about genetics? 🤷🏾‍♂️
  Quoting@ProfBootyPhD@razibkhan "As usual when i get surfaced in some parts of X" - you are too generous to your followers (understandably). Almost every time you post about anthropology and genetics, the same people are there to slurp up every factoid that might support white superiority.

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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.

• op deleted his tweet (thanks I guess) but I get a ton of questions about why I sometimes limit replies, and if you’d like to know the answer you can look below.
  Quoting@deanwball@sponkostonko I limit my replies when it occurs to me to do so to make it slightly harder for people to threaten me and my family with violence, which happens frequently in my life now. It still happens, but at least with replies limited my wife is less likely to see it.

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Web developer; former head of engineering at Flickr, author of Building Scalable Web Sites, and co-founder and CTO of Slack.

• emoji-data — Easy to parse data and spritesheets for emoji

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

• The contagion of fear

  Bryan Cantrill responds to the tweet by former Anthropic employee Jacob Coxon confirming that many Anthropic researchers believe AI "could kill us all by the end of the decade". Bryan shares a story of his own youthful…

  AnthropicRelated

Economist and journalist; Financial Times columnist as The Undercover Economist, author of How to Make the World Add Up, and presenter of the Cautionary Tales podcast.

• My tweet was less about how to do the task, and more about what happens when I tried to use a well-established tool (Google search). Also - isn't the very high failure rate interesting? 'Sometimes makes errors' is one thing. 'Always makes errors' is something else.
  Quoting@joshgans@TimHarford You need to use a real AI agent to do that task.

  GoogleRelated

Creator of Flask and Jinja. Writes about software at lucumr.pocoo.org.

• Interpreting Pangram

  Original prompt to generate a David Sacks like tweet

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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.

• I’m going to delete this tweet and post screenshots here for posterity. I stand by the argument but we shouldn’t fight. This is too important for squealy arguing. I am going to choose to see David’s OP as an olive branch and operate under that assumption. TYFYATTM!

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Technology writer of Spyglass, a newsletter about technology and media. Previously a reporter at TechCrunch and an investor at GV.

• The marketing speak may be the same, but you get the sense that Ternus knows these products backwards and forwards – he simply must given his previous role literally helping to engineer them. Somehow, that knowledge translates into the presentation.

  spyglass.org

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Creator of Homebrew, the macOS package manager, and a Swift developer.

• Clicking the Grok button is rarely satisfying. If the tweet is “I like grooglefabs” Grok will delightfully tell you “FooBar comments on his love of grooglefabs. A common sentiment among the fabblegrooglers”. I don't want to type “wtf is a grooglefab”. You are meant to be AGI.

  AGIRelated

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.

• people reviewing jasmines tweet before the culture fit interview
  Quoting@jasminewsunI hear roughly 3 reasons people keep working at AI labs despite believing in ~10% extinction risk: 1) Techno-determinism: Someone will build ASI no matter what, and I can do it better & more safely than China/OpenAI/etc 2) Consequentialism: ASI might kill us, but it also might produce utopia/immort…

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Web developer; former head of engineering at Flickr, author of Building Scalable Web Sites, and co-founder and CTO of Slack.

• js-emoji — A JS Emoji conversion library

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Professor of finance at NYU's Stern School of Business, known for his work on valuation. He publishes his data, spreadsheets and classes free at Damodaran Online and writes the Musings on Markets blog.

• I use this Vinod Khosla tweet with apologies to Vinod, since tweets are often out-of-context or emotive, to launch a discussion on the trade-off between scaling up and building business models (profitability) that every business faces.

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Economist; former chief economist of the International Monetary Fund.

• another tweet written a bit too fast. By "central bank debt" I mean public debt held by the central bank". Apologies☹️
  Quoting@ojblanchard1No, and useful to repeat: Contrary to interventions such as QE or debt management by Treasury, cancellation of central bank debt has zero mechanical effect on the liabilities of either the central bank (bank reserves are the same) or the government (the debt held by private investors is the same)

  public debtinterest ratesRelated

American software engineer; worked on code-server at Coder and teaches TypeScript and open-source contribution. Publishes at joeprevite.com.

• today is the day you stop doomscrolling stay with me - this will take 5mins 1. open the AppStore 2. download "ScreenZen" (free) 3. configure limits (e.g. 4 15-min sessions) 4. start with 1 social media app 5. a few days later, add another 6. repeat until you've added all apps too busy right now? add a calendar event with this tweet and do it this weekend trust me, you'll thank me next month

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Software engineer; co-founder and former CTO of Tailscale, previously on the Go team at Google.

• this old tweet is getting some likes (why? mysterious), so I re-read it, and still like it. it also applies really well to what I am working on now: I need lots of VMs for agents, but I don't need lots of CPU/RAM. hence @exedev
  Quoting@davidcrawshaw@danluu one of the big early ideas behind tailscale was a single computer is powerful enough to solve almost every problem, and that this is not widely understood. we need fewer distributed systems and more spreadsheet implementations.

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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.

• Underrated tweet I think it also applies to any software, so long it has users
  Quoting@solomonstreRule #1 of open-source: no is temporary, yes is forever.

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Designer and engineer; formerly principal research engineer at GitHub Next; writes at wattenberger.com.

• there's something rotten in the air when >90% of the replies to a tweet like this are mean spirited sure, it might not be your thing and it's easy to forget this box doesn't go straight into the void. but can we try to bring more kindness into the world?
  Quoting@WattenbergerI look away for one week and VSCode got cute?!

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Indian technology consultant and writer. Former editor of Beautiful Pixels; writes about Apple hardware and Mac software at nuclearbits.com.

• I saw Atul's tweet and it made me wonder too. How many establishments are actually compliant? So we asked the FDA. Here's what they say!

  mid-day.com

  Quoting@atulkasbekarSerious question Of all the raids that were carried out on food establishments, were there any places that were given a clear green chit? As in, everything is perfect, well done! I’d really like to know which places were adhering to standards

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Swiss full-stack developer working mostly with Laravel and Vue; author of the widely used git-auto-commit-action GitHub Action.

• alfred-emoji-pack — PHP Script to generate Snippets for Alfred with all available Emojis.

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

• nanoclaw-reactions — Emoji reactions for NanoClaw — the agent reads reactions and can answer with one. Installable skill.

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Writer of the personal-finance blog Of Dollars And Data and author of Just Keep Buying and The Wealth Ladder. Chief Operating Officer at Ritholtz Wealth Management.

• The Problem with Optionality

  I’ve seen a lot of discussions this year around maximizing freedom and optionality. For example, consider this tweet: If you ever get up $1M in cash Buy a new modern apartment in the UAE for like $550k (you have zero pr…

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Philosophy professor at UC Berkeley and creator of pandoc, the universal document converter, and of the CommonMark markdown specification.

• typst-symbols — Defines symbols and emoji used in typst

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

• How not to forget what matters

  1. Every few months I will read a tweet, or have a conversation, that makes me feel this is important, I must remember this.

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Co-founder of Modem and a founding engineer at Sentry, where he went on to be VP of Engineering. Co-author of Third-party JavaScript, and co-host of the State of Agentic Coding podcast with Armin Ronacher.

• hunk 0.14.0 is out w/ lots of user contribs + fixes: 🆕 expand/collapse inline source (vid 👇) 🆕 custom themes 🆕 new theme: catpuccin latte/mocha 🆕 select + copy to clipboard 🆕 renders wide chars like 你好 & emoji properly

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Web infrastructure engineer and standards editor; chaired the IETF HTTP working group and co-authored core HTTP and Atom specifications.

• Anyone want to go in on a proposal for a Unicode emoji of a guillotine? It feels very 2026.

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Co-founder of AngelList. Writes and podcasts at nav.al in short, aphoristic pieces on startups, wealth and judgement rather than long essays.

• A Return to Code

  You’re listening to the Naval Podcast. This is Nivi, his regular co-host. Today we’re going to talk about vibe coding. Let me tee up the conversation with a tweet from Naval from March 23rd: “AI coding agents can now de…

  coding agentsRelated

CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.

• emoji-todo — A simple app to demonstate the ease of fetching and mutating data with Next.js App Router, RSC, and Server Actions.

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Software engineer in Chicago; writes the cassidoo.co blog and a weekly developer newsletter.

• emoji-list-generator — An AI-powered CLI that turns plain bullet lists into emoji-prefixed markdown lists and copies the result to your clipboard.

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

• Farzapedia, personal wikipedia of Farza, good example following my Wiki LLM tweet. I really like this approach to personalization in a number of ways, compared to "status quo" of an AI that allegedly gets better the more you use it or something: 1. Explicit. The memory artifact is explicit and navigable (the wiki), you can see exactly what the AI does and does not know and you can inspect and manage this artifact, even if you don't do the direct text writing (the LLM does). The knowledge of you is not implicit and unknown, it's explicit and viewable. 2. Yours. Your data is yours, on your loca…
  Quoting@FarzaTVThis is Farzapedia. I had an LLM take 2,500 entries from my diary, Apple Notes, and some iMessage convos to create a personal Wikipedia for me. It made 400 detailed articles for my friends, my startups, research areas, and even my favorite animes and their impact on me complete with backlinks. But,…

  LLMsRelated

• Wow, this tweet went very viral! I wanted share a possibly slightly improved version of the tweet in an "idea file". The idea of the idea file is that in this era of LLM agents, there is less of a point/need of sharing the specific code/app, you just share the idea, then the other person's agent customizes & builds it for your specific needs. So here's the idea in a gist format: https://t.co/NlAfEJjtJV You can give this to your agent and it can build you your own LLM wiki and guide you on how to use it etc. It's intentionally kept a little bit abstract/vague because there are so many directio…
  Quoting@karpathyLLM Knowledge Bases Something I'm finding very useful recently: using LLMs to build personal knowledge bases for various topics of research interest. In this way, a large fraction of my recent token throughput is going less into manipulating code, and more into manipulating knowledge (stored as mar…

  LLMsRelated

Systems and developer-tools engineer at Cloudflare as of 2026, on durable infrastructure for AI agents; worked on React and PartyKit before that. Writes at sunilpai.dev.

• emojico — CLI tool to convert emoji to favicon assets

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British senior engineering manager at Netlify, previously a team lead at the BBC; writes about JavaScript testing, chatbots and serverless at marclittlemore.com.

• MastodonWe use Google Meet at work and we've got the latest version which supports custom emoji reactions. The crabs are taking over. 🦀

  GoogleRelated

• BlueskyWe use Google Meet at work and we've got the latest version which supports custom emoji reactions. The crabs are taking over. 🦀

  GoogleRelated

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

• Emoji Kitchen is the best thing Google has ever made.

  GoogleRelated

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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CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.

• ray-city — A city animation that fits in a tweet

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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'm excited about the LessOnline festival! May 31 – June 2 (Link in next tweet, smh Elon.....) Hit me up if you're planning to attend — it'll be great to see some internet friends IRL

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

• mind-expanding short story by @etirabys about a "sapient mitotic species" this is a rare piece of fiction that's well grounded in evolutionary biology and psychology i read it about 6 months ago and have re-read it twice since 👇 link in next tweet

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Brazilian-American staff software engineer working on platforms, AI and developer productivity. Writes about engineering and his setup at ivansantos.me.

• That's my first tweet with @typefully. How come I didn't know about this tool before? 🔥

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Machine-learning researcher; has written the Lil'Log survey posts on how a model technique works since 2017, and worked at OpenAI from 2018 to 2024, latterly leading its safety systems team.

• emoji-semantic-search — Search the most relevant emojis given a natural language query

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Co-founder and partner at Union Square Ventures in New York. Has written the AVC blog almost every day since 2003, on venture capital, startups, music and crypto.

• This tweet stream showcases some of the writing by USV analysts over the years. Though they have moved on to bigger and better things, their writing and their ideas live on at USV and https://t.co/btPOKgjAa4. It is a gift that keeps on giving.
  Quoting@nickgrossmanReminder that applications are now open for the next class of @USV analysts! One of the ways that USV analysts work is through writing, both about thesis areas and new investments. To give a flavor, here are some highlights of writings by USV analysts over the years:

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Software engineer who worked on Chrome and Polymer at Google, and writes about the web, emoji and Elm at meowni.ca.

• og-emoji-font — ✨📝 Emoji font based on the original DoCoMo emoji set

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• emojillate — :camera::art: Pixellate an image into emoji

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• emoji-translate — :books: Translate text to ✨emoji ✨!

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

• What does Twitter asymptote to?

  Consider the following interpretation of Twitter: Twitter is a process that is applied to a human thought vector $x$, a time $t$, and a state vector $c_{t-1}$ which emits a value $tweet$ and a new state vector $c_{t}$.…

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Engineering leader and writer; wrote The Manager's Path and Platform Engineering, and blogs at Elided Branches.

• Driving Cultural Change Through Software Choices

    This tweet got me thinking about change, and how software engineers (and especially, Platform teams) can drive cultural change throughout companies. First, let’s take the question. You want to change the engineer…

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

• A Recipe for Training Neural Networks

  Some few weeks ago I posted a tweet on “the most common neural net mistakes”, listing a few common gotchas related to training neural nets. The tweet got quite a bit more engagement than I anticipated (including a webin…

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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: Gallows humor

  Did you laugh when you saw this tweet?

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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.

• The Ezra Klein Show: VC Bill Gurley on Transforming Health Care

  In November of 2015, I posted a tweet that declared Benchmark was interested in discovering Internet healthcare investments. Our firm has had the good fortune to invest in many two-sided networks that used information a…

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