One identifier that survives a reload
Session stitching is where most event pipelines quietly lose people. What breaks, why the usual fixes make it worse, and the narrow approach we settled on.
Julian Vandermolen
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Blog
Queries in plain language, and where that stops
Asking a question in English and getting a chart is a good default and a bad contract. What we let it do, what we make it show you, and the line it does not cross.
Julian Vandermolen
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Stop instrumenting what you planned
Event schemas get written during design and never revisited, so the data describes the product you intended rather than the one people use. A short argument for instrumenting late.
Julian Vandermolen
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What a delta actually costs
A two percent lift is not a number until you know how wide the interval around it is. Here is how we report both, and why the second one changes decisions more often.
Julian Vandermolen
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