With knowledge just of the origin of a trip, they found, they could accurately predict the destination of the journey absent any GPS data. They accomplished this using a strategy they called “stop-point matching,” on the theory that the pattern of stop points from a known origin will be more or less unique for any location, unless the layout of streets is very regular (such as Manhattan’s grid layout.)

via Privacy Collision: Driver Monitoring Tech Also Great For Tracking Movement | The Security Ledger.

HT Geza