| 摘要 |
A method for locating a displaced person enables a third party tracker to track and locate a person by way of a personal transmitter, otherwise usable to order and pay for goods and/or services. The personal transmitter is normally used to remotely transmit order and/or payment preference data to a vendor to facilitate sales transactions. The personal transmitter may further, function, however to transmit a signal to the vendor when the customer approaches the vendor, which signal comprises not only preferred order information for vendor processing, but also person-identifying data. A web site acknowledges receipt of personal data sent from the transmitter as present at the vendor establishment site or area, and thus enables third party tracker to track movements of the transmitter carrier by way of the transmitted personal data at the vendor establishment site.
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