Writing
Where the reasoning is visible at length
Three decisions, worked through in full — what was chosen, what the alternative would have cost, and what would have to change for the answer to flip.
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An audit whose job was to disprove itself
Why the second pass through a tax-calculation audit was built to argue against the first pass's findings, not confirm them — and what that cost.
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The audience that drifted to 150 million people
An ad campaign's targeting quietly widened past its spec. The fix wasn't a manual correction — it was making the drift impossible to ship again.
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Real books instead of a slicker dashboard
A build-vs-buy call, argued from switching cost rather than feature count — and why the riskiest integration was sequenced last on purpose.