I'm usually not one to write thought pieces without much technical depth. But here we go. Slow the fuck down. mariozechner.at/posts/2026-03-…

Adopting Claude speak in my regular life, episode 1: Partner: Did you do the dishes tonight? Me: Yes they're done. Partner: Why are they still dirty? Me: You're right to push back. I didn't actually do them.

No entiendo cómo le hace la gente que entrena con sus airpods max puestos. No puedo. Qué incomodidad.

Summer is around the corner and soon you'll read a bunch of tweets about how every man should have a pair of loafers. I don't think anyone needs anything, but if you're shopping for a pair, let me show you how to think about loafers. This applies to any wardrobe item. 🧵

Had a Jane Street interview in 2013 that still bothers me. It was my 6th round. Final interview. The guy walks in carrying no laptop, no notebook, just a cold brew and what I later realized was a single IKEA tea candle. He writes on the whiteboard: food: $200 rent: $800

"we have 100% test coverage" the tests: expect(Button).toBeAButton()

Nuclear power = nuclear energy / time

Everyone knows that 15 minutes before standup is the most productive time. This is when developers do highly-focused last-minute work just to give some updates. So, in order to increase productivity, we now have 4 standups a day.

Puro pendejo está despierto a esta hora en día de asueto.

i actually don't want this "but you don't review compiler output either" meme to die. it's the perfect signal for being immediately able to ignore someone in this space.

The RF world is insane. Researchers recovered AES-128 keys from a Bluetooth chip by listening to its own antenna from 10 meters away. Crypto-engine switching noise couples into the RF chain, rides the 2.4 GHz carrier, and leaks out as radio.

Non-technical teams will be shipping code and one person on each team will get good at it so everyone on the team will go to them. Then some CEO will say “what if we took these people and put them on a team together” and they’ll name the new team something like “engineering”

gonna play the heck out of GTA 6 simply because of its status as a cultural artefact: the final big game built before LLMs no-one will ever invest this much in a game again, no software will ever encode this quantity of hands-on human labour again. the last of the great pyramids

eulogy to a dying world

Estúpida, mis cetes, idiota.

Today is a hard day. I shared this note with the Linear team today: We’ve made the difficult decision to increase our workforce. This is not a cost-cutting exercise or a reflection of anyone’s performance. We’re simply reimagining every role for the agentic AI era. We’re hiring.

¿De la qué?

Dime que vives en edomex sin decirme que vives en edomex.

215 pesos por tocino. ¿En qué momento?