{HEAD ~ A method} of tracking a first wireless communications device using {TAIL ~ another computing device}, such as a second wireless communications device, includes obtaining current position data for the first wireless communications device and obtaining one or more of speed data, time data, and path data for the first wireless communications device 
{ HEAD ~ A method } of tracking a first wireless communications device using { TAIL ~ another computing device } , such as a second wireless communications device , includes obtaining current position data for the first wireless communications device and obtaining one or more of speed data , time data , and path data for the first wireless communications device
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