How structural sharing makes immutable collections fast enough to be the default choice in functional programming In most programming languages, immutability is a performance compromise. Make your data structures immutable, the thinking goes, and prepare to pay the cost in memory and speed. Every…

Every knowledge worker needs a computer. Agents will need millions. Daytona has raised a $24M Series A led by FirstMark Capital to build the infrastructure that makes this possible. Matt Turck, General Partner at FirstMark, joins the board. The Cloud Wasn't Built for This Today’s cloud…

Sometimes, the best design ideas don’t start in a file—they begin with a sketch or a visual reference that you riff on and refine until it’s ready for the world. But for a quick scamp in a notebook, a texture snapped on your phone, or a raster-based drawing to become an adaptable part of your…

Uncollected Pynchon: Introduction to “1984” Introduction to the Plume Centennial Edition of 1984 George Orwell’s last book, 1984, has in a way been a victim of the success of Animal Farm, which most people were content to read as a straightforward allegory about the melancholy fate of the Russian…

2026-01-29Memory usage can be hard to keep under control in Python projects. The language doesn’t make it explicit where memory is allocated, module imports can have signficant costs, and it’s all too easy to create a global data structure that accidentally grows unbounded, leaking memory. Django…

4% of GitHub public commits are being authored by Claude Code right now. At the current trajectory, we believe that Claude Code will be 20%+ of all daily commits by the end of 2026. While you blinked, AI consumed all of software development. Our sister publication Fabricated Knowledge described…

Ordinary social networks face a constant onslaught of chatbots pretending to be human. A new social platform for AI agents may face the opposite problem: getting clogged up by humans pretending to post as bots. Moltbook — a website meant for conversations between agents from the platform OpenClaw —…

Right now, it seems like almost every tech company is changing its developer tooling stack, which is a big shift from eighteen months ago when the answer to “what to use for AI-assisted coding?” was simple: buy a GitHub Copilot license and boot up ChatGPT. In our AI tooling survey in 2024, those two…

over the past week the discourse around openclaw (which i'll refer to as clawdbot) has absolutely exploded. it has felt to me like all threads of conversation have veered towards the extreme and indefensible. some are running clawdbot with unlimited permissions on their main computers. others are…

Word count: 4552 Paragraphs: 61 In September 2025, President Trump held a dinner with over two dozen leaders from Silicon Valley. Easily one of the wealthiest gatherings ever held in the White House, the guest list included tech CEOs, venture capitalists, and administration officials. The topic of…

There are many good places for advertising. A conversation with Claude is not one of them. Advertising drives competition, helps people discover new products, and allows services like email and social media to be offered for free. We’ve run our own ad campaigns, and our AI models have, in turn,…

Something strange is happening with Mac Minis. They’re selling out everywhere, and it’s not because people suddenly need more coffee table computers. If you browse Reddit or HN, you’ll see the same pattern: people are buying Mac Minis specifically to run AI agents with computer use. They’re setting…

Housing & YIMBY · State Capacity & Accountability · Merit & Excellence From the Panama Canal to parklet regulations—why it’s time for Americans to reclaim technology, growth, and the abundance that once defined it. By Garry Tan · Feb 04, 2026 · 8 min read The old progressive vision: dams, power…

👋 Hey there, I’m Lenny. Each week, I answer reader questions about building product, driving growth, and accelerating your career. For more: Lenny’s Podcast | How I AI | Lennybot | Lenny’s Reads | Favorite AI and PM courses | Favorite public speaking course The post you’re about to read took over…

This post is also available in Japanese, Chinese, and Russian. tl;dr: Having swap is a reasonably important part of a well functioning system. Without it, sane memory management becomes harder to achieve.Swap is not generally about getting emergency memory, it's about making memory reclamation…

I’ve been relying on Claude Code more and more since March 2025, not just for development but for all things computer automation. Developers are transitioning to be the conductor of the orchestra more than flute player. I believe 2025 marked a fundamental shift in software development. These tools…

In 1995, Turing laureate Niklaus Wirth wrote an essay called A Plea for Lean Software in which he mostly gripes about the state of software at the time. Among these gripes is this claim which Wirth attributes to his colleague Martin Reiser, though it's become to be known as Wirth's Law: Software is…

Last week, as I sat across from our ISO 27001 information security auditor, watching them strenuously work through our documentation, a thought struck me: Here we are, a software company, with nearly all of our operations running in interconnected digital systems, yet the core of our business—our…

Announcing msgvault: lightning fast private email archive and search system, with terminal UI and MCP server, powered by DuckDB ai msgvault llm Author Wes McKinney Published February 2, 2026 I’m thrilled to announce msgvault, a new side project I have been building over the last two months with the…

For about a decade, being a developer was… cushy. If you loved your job as a developer anytime in the last 10 years, you were living the dream.Good salaries. Endless opportunities. You solved problems, shipped code, and got paid very well for it. No need to worry too much about why the business…

Catherine O’Hara in 2019.Credit...Ryan Pfluger for The New York Times An Emmy-winning comedian with oddball charm, she got her start with the influential Canadian sketch comedy series “SCTV.” Catherine O’Hara in 2019.Credit...Ryan Pfluger for The New York Times Listen to this article · 6:40 min…

Opinion I'm an eighth-generation American, and let me tell you, I wouldn't trust my data, secrets, or services to a US company these days for love or money. Under our current government, we're simply not trustworthy. In the Trump‑redux era of 2026, European enterprises are finally taking data…

Reddit for robots AI agents now have their own Reddit-style social network, and it’s getting weird fast Moltbook lets 32,000 AI bots trade jokes, tips, and complaints about humans. Benj Edwards – Jan 30, 2026 5:12 pm | 9 Credit: Aurich Lawson | Moltbook Credit: Aurich Lawson | Moltbook Story text…

With no release date set for Silo season 3, the wait has started to feel endless. Fans craving grounded, character-first post-apocalyptic sci-fi are left searching for something equally immersive to fill the gap. There are plenty of bleak wasteland dramas out there, but few match the emotional…

Born into a World War to live through another, Albert Camus (November 7, 1913–January 4, 1960) died in a car crash with an unused train ticket to the same destination in his pocket. Just three years earlier, he had become the second-youngest laureate of the Nobel Prize in Literature, awarded him for…

Nearly every parent hopes their child will be better off than they are: smarter, more secure, and more well-adjusted. Many parents see this as a stamp of successful parenting, but something has changed for children growing up today. While younger generations are known for their empathy, their…

Technology Mobile iPhone Why There's Simply No Need For An iPad Anymore By Jan. 27, 2026 12:17 pm EST Framesira/Shutterstock The iPad is one of the key hardware products Apple makes, alongside the iPhone, Mac, Apple Watch, and AirPods. It has been a key product since the first-generation iPad was…

A couple of weeks ago, a video posted on TikTok by Paige Carter, a mother in Florida, went viral. Carter explained that she had thrown her daughter’s iPad out of the window when she had been misbehaving on the way to school, and she films herself retrieving the tablet, now with a cracked screen. The…

When Sir Tim Berners-Lee invented the world wide web in 1989, his vision was clear: it would used by everyone, filled with everything and, crucially, it would be free. Today, the British computer scientist’s creation is regularly used by 5.5 billion people – and bears little resemblance to the…

Two months ago, I read a seven-hundred-page collection of short stories by John Cheever. But somehow that wasn’t enough. I went on to read seven-hundred-page retrospective collections from Mavis Gallant, Alice Adams, and John O’Hara. And I still wanted more! Normally when I get halfway through a…

26th January 2026 One of my favourite features of ChatGPT is its ability to write and execute code in a container. This feature launched as ChatGPT Code Interpreter nearly three years ago, was half-heartedly rebranded to “Advanced Data Analysis” at some point and is generally really difficult to…

This week’s episode is a bit of a departure for us. We’re “reviewing” 1989’s classic film Dead Poet’s Society to explore it’s messages about education. You can watch Martin and I chew it over, listen to the podcast and read my write up below. Thirty-five years on, Dead Poets Society still holds sway…

safa 7 min read· Oct 18, 2022 -- Press enter or click to view image in full size The Welton boys of Dead Poets Society (1989). Ethan Hawke (bottom left) and Robert Sean Leonard (center). “Come my friends. t’is not too late to seek a newer world. for my purpose holds to sail beyond the sunset… and…

Start writing a post Politics and ActivismRyan Fan Dec 12, 2016Emory University 1342 A friend recommended the 1989 Oscar-winning film Dead Poets Society starring Robin Williams, Robert Sean Leonard, and Ethan Hawke to me the other day. With it being 2 a.m. and me being unable to sleep and unwilling…

Astral has released uvx.sh, a service that generates installation scripts for any Python tool on PyPI. With a single curl or PowerShell command, users can install tools like ruff or pytest without having uv or Python already installed on their system. How It Works uvx.sh dynamically generates…