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A low tech example, but I bought a used car a couple years ago with navigation and still saved in the system were addresses the previous owner had entered. From
by josefresco 7y ago
A low tech example, but I bought a used car a couple years ago with navigation and still saved in the system were addresses the previous owner had entered. From this simple list, I was able to determine where they lived, and if was curious enough the businesses and homes they visited, or at least used navigation to find.