There are data aggregators for small businesses that definitely mine and sell all of the data from physical store traffic. This is literally the business model of Foursquare.
Well, what is the solution then? VPN's don't work because they are looking for human behavior patterns.
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If tracking scripts are blocked in the browser, by e.g. a ad blocker, they don't get to see the session I pressume. They could track you in other ways.