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Every Student Has an AI. Now What Actually Changes?
Universal AI access doesn't only change what students can cheat with. It changes what's worth learning, what a grade certifies, and which students pull ahead.
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Diffing prompts the way you diff code
Prompts are the least version-controlled artefact in most engineering teams. Moving them into files, with a fixture set and a pinned model, turns prompt work from vibes into something you can actually review.
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The Science of Fatigue-Free Interfaces
Interface fatigue isn't about screen time or blue light. It's extraneous cognitive load, decision count, and broken prediction, and those three explain most of the difference between tools.
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The Tutor Problem
One-on-one tutoring produces enormous learning gains. AI tutoring products mostly replace the wrong part of it, and the evidence for the part they do replace is older and better than the evidence for the part they advertise.
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Which Mac Should You Buy in 2026? An Honest Decision Tree
A no-nonsense 2026 Mac buying guide for normal people: a decision tree from MacBook Air to Mac Studio, the RAM and storage truth nobody tells you at the Apple Store, and honest picks by who you actually are, student, writer, developer, creator, or family.
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Cline and Roo Code: open-source agents teach you more than closed ones
Cline and Roo Code let you read the exact prompt, the tool definitions and the token bill behind every agent turn. Closed tools hide all three, which is why they're worse to learn from.
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First Day With a New Mac: 12 Things to Change Before You Touch Anything Else
A practical first-day setup guide for a new Mac in 2026: the twelve macOS settings I change on every machine before I do real work. Trackpad, Finder, keyboard, FileVault, screenshots, and a Time Machine backup you set up before you need it.
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Why Benchmarks Lie More Than Marketing Claims
Synthetic benchmarks arrive dressed as objectivity: numbers, graphs, decimal places. Here's how they mislead without ever lying, and the five questions that make them useful again.
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What EdTech Companies Are Actually Selling
EdTech raised $20B in 2021 and mostly failed. AI EdTech is making the same promises with better vocabulary and almost nobody is asking why the last round collapsed.
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JetBrains AI Assistant: not every green inspection is an agent task
IntelliJ's inspections come with quick-fixes that are correct by construction. Knowing which warnings deserve an agent, and which deserve Alt+Enter, is most of the value of AI Assistant.
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Apple Doesn't Optimize for Speed. It Optimizes for Flow.
Benchmarks measure how fast a task finishes. Nobody experiences that. What people experience is the delay between touching the glass and the screen reacting, and Apple has been optimising that number for twenty years.
