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.
Uber blew its annual AI budget in months. Simon Willison's $200 subscription runs $2,180 in compute. Anthropic's revenue went 5x in five months. If your team budgeted for AI tools in Q4, those numbers are already wrong — here's how to reset them.
4 min read
Claude Opus 4.8 shipped with explicit effort controls — users choose whether the model reasons carefully or answers fast, at 3x the cost difference. Here's how to decide which tasks deserve which mode.
4 min read
An agent that took forty steps produces more evidence than anyone will read, so most people read none of it and approve anyway. Here's what to check instead, and why the middle of the run matters more than the end.
5 min read
Research published last week showed frontier AI models disagree with each other on 67% of real-world fact-checking claims — 77% in legal contexts, 71% in health. A second model isn't verification. It's a second opinion that contradicts the first most of the time.
5 min read
Three studies published in the same week show that how you use AI determines whether it sharpens or erodes your judgment. Turkish students scored better with AI help and worse without it. BCG consultants followed AI errors they would normally have caught. Taipei students who used AI as a tutor gained six to nine extra months of learning.
5 min read
Robinhood is trading stocks, Gemini Spark is running your calendar overnight, and a CVSS 9.3 vulnerability let five lines of text exfiltrate an entire M365 environment. Four questions to answer before you connect any AI agent to a real system.
5 min read
Sam Altman and Dario Amodei reversed their most alarming AI jobs predictions in the same week. The data underneath the reversals is more specific — and more actionable — than the headlines.
5 min read
The productivity gap between professionals using the same AI tools is enormous, and it isn't explained by tool access, seniority, or technical background. Four habits account for most of it.
5 min read
Three AI failure modes got named publicly in the same week — forwarding raw AI answers without reading them, optimising for speed over quality, and letting the model think while you sign off on the result. Each one has a skill that fixes it.
5 min read
Practical AI skills, sent when there's something genuinely useful to share. No filler, no hype.
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