White-Collar AI Apocalypse Narrative Is Just Another Bullshit
Here is an exercise in critical thinking. According to Dario, “two years ago AI was at the level of a smart high school student, now it’s at the level of a smart college student“1. Customer Support market must be obliterated by now? Except it is bouncing back since the middle of 2025 and is now […]
GoGoGrandparent (YC S16) is hiring Back end Engineers
About Us GoGoGrandparent is a digital caregiving platform helping older and disabled adults stay independent, safe, and supported at home. We adapt on-demand APIs (Uber, Lyft, DoorDash, Instacart, etc.) into a concierge-style experience tailored for people with cognitive, mobility, or vision challenges. We’re a profitable, fast-growing, YC-backed startup (S16) with a deeply mission-driven team. Everything […]
QRV Operating System: QNX on RISC-V
QRV v0.16: Working Shell, Working IPC v0.16 boots to a working shell prompt on QEMU. pwd prints the working directory, echo works, ls lists the root filesystem, and non-existent commands report ”No such file or directory”. The first dynamically-linked user-space program spawns, runs, and exits through the full QNX-style IPC stack. The patches (and the […]
Intuitions for Tranformer Circuits
In a previous post on language modeling, I implemented a GPT-style transformer. Lately I’ve been learning mechanistic interpretability to go deeper and understand why the transformer works on a mathematical level. This post is a brain dump of what I’ve learned so far after reading A Mathematical Framework for Transformer Circuits (herein: “Framework”) and working […]
Migrating the American Express Payment Network, Twice
If you tuned in to Monster Scale Summit this year, you may have seen our talk on migrating the American Express Payments Network – not once, but twice — with zero customer-impacting downtime — meaning no transactions were interrupted and no planned maintenance windows were required during either migration. The session focused on how we […]
My DIY FPGA board can run Quake II
22-mar-2026 Time to design a new board I didn’t want to simply recreate what I had before. Making something more advanced meant soldering BGA. I wasn’t sure if I could do it, but I decided to try anyway. Specifically, I wanted a more advanced FPGA – I chose the Efinix Ti60F256 – and more modern memory – IM8G16D3FFBG, which is a […]
Diverse perspectives on AI from Rust contributors and maintainers
Starting on Feb 6, the project began collecting perspectives around AI into a shared document. This document is a summary of those comments, authored by nikomatsakis on Feb 27 or so. The goal of this document is to cover the full range of points made so that we can understand the landscape of opinion and […]
We indexed the Delve audit leak: 533 reports, 455 companies, 99.8% identical
Gated Intelligence Get the full company exposure list 455 companies with compromised audits. Get the complete list with report types, dates, and risk indicators — delivered to your inbox. Get the List No spam. Unsubscribe anytime. Your email is never shared.
Teaching Claude to QA a mobile app
“When life looks like Easy Street, there is danger at your door” — Grateful Dead, “Uncle John’s Band” (A note on picking this quote: I asked Claude to find me a Grateful Dead lyric that fit the theme. It couldn’t — searching for “dead lyrics” triggers the content filtering policy: API Error: 400 {”type”:”error”,”error”:{”type”:”invalid_request_error”,”message”:”Output blocked […]
The gold standard of optimization: A look under the hood of RollerCoaster Tycoon
The gold standard of optimization: A look under the hood of RollerCoaster Tycoon Due to some lucky circumstances, I recently had the chance to appear in one of the biggest German gaming podcasts, Stay Forever, to talk about the technology of RollerCoaster Tycoon (1999). It was a great interview, and I strongly recommend to listen to […]