Practical AI skills for people whose job isn't AI. Most posts end with a drill, because reading about a skill isn't having one.
Simon Willison says coding agents made his job harder, not easier. Cognition's Devin hit $1B in revenue with DHH writing 3% of his own code. The pattern behind both: AI pays off in proportion to the supervision you put in, not the subscription you buy.
4 min read
A new guide from Hamel Husain and Shreya Shankar says the way most teams grade AI output is backwards. Read real failures by hand first, then decide what to measure — not the other way around.
4 min read
A hallucinated intelligence report nearly triggered an armed U.S. interception of a Chinese ship this week. The habit that would have caught it before it reached a decision-maker works just as well on a sales forecast or a board memo.
4 min read
Simon Willison endorsed a rule blunt enough to actually follow: write it yourself, then use AI only to flag problems, never to supply the fix. Two studies published the same week explain why the line matters more than it sounds.
4 min read
Three lab CEOs endorsed slowing model development the same week Anthropic's own numbers showed the real gains came from supervision, not a new release. Here's what to do with the model you already have.
4 min read
Sam Altman says people who understand their industry but can't code are now positioned to build. Two other signals from the same week explain what that claim leaves out, and what to do about it.
5 min read
Meta's Muse agent, a DeepMind cheating study, and a RubyGems attack landed the same week. Three checks to run before you delegate anything to an agent.
5 min read
Users are reporting that ChatGPT's opt-out from training reverts to 'on' after app updates, with no notice. Here's what to check today, and why the toggle was never the whole story.
4 min read
Ethan Mollick's new essay names the middle ground between fully autonomous AI agents and fully manual work. The useful part isn't the label — it's the question it forces you to answer before you deploy one.
4 min read
Practical AI skills, sent when there's something genuinely useful to share. No filler, no hype.
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