A confidence score is not a probability
Many models emit a number between 0 and 1 that looks like a probability. Unless it has been calibrated, it isn’t one.
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Under the Hood
Deep dives, engineering notes and explainers on how things actually work — and why they were built that way.
What does it really take to bring AI into production?
Make four decisions about a hypothetical AI project (scope, data, oversight, rollout) and see what you’d be trading away. A simulation, clearly labelled.
Designing experiences for millions of people
How product teams think about scale, usability and personalization when the rare case stops being rare.