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by jamescostian 2788 days ago
Some companies record as much as they can, e.g. "here's all of the user's mouse-movements, their full User Agent, etc." or "here's everywhere the user tapped on the app and which of the notifications we sent them that they responded to, and more!"

The example from the article was "one team at one of our customers decided to dump 30 million metrics on us, send all of their mobile product metrics into Outlyer"