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Notes from the studio.
Field notes on building practical AI apps, ADHD-friendly product design, and what we're learning shipping All Things AI.
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What the neural engine in your phone actually does all day
Modern phones ship a chip built for one narrow kind of math. Here is what that hardware is for, in plain language, and what it lets an app do.
How DockLedger takes a truck yard off paper without a server
A depot runs on registers, memo pads and mail threads. Here is how one offline app on a supervisor's phone replaces all of it, and why it never waits.
How to dial in espresso by changing one variable at a time
Most bad espresso comes from changing three things at once. Here is the slower, methodical loop that gets you to a good shot with fewer wasted beans.
Small models, big jobs, and the tasks that need neither
Frontier models are extraordinary at open-ended reasoning, and most app features are not open-ended. Here is how we decide what a task actually needs.
How Golazo 26 shows you the score before you can blink
A look under the hood of a tournament match center: what the app fetches, what it computes on your phone, and why there is nothing to set up first.
How to replace every remote in your house with your phone
A brand-by-brand setup guide for controlling every TV in the house from your phone over your own Wi-Fi, including the part nobody explains, which is typing.
Your phone camera is a sensor, not just a photo tool
Treating the camera as a measurement device instead of a picture-taker changes what an app can do, and most of that work never has to leave the phone.
How Wall Street Friend reads a stock's earnings history
Inside Wall Street Friend: what earnings reaction data measures, how the calendar gets a confidence score, and why the app is built around one question.
How to build a photo-a-day habit that survives past January
Practical habit design for a daily photo, and how a faint overlay of yesterday's shot makes today's frame line up in seconds instead of drifting all year.
The case against subscriptions for small, focused apps
A monthly fee reshapes a small utility around retention instead of usefulness. Here is what a subscription rules out, and what going without one makes possible.