global positioning system
local outdoor adventurers join "geocaching" treasure hunts; gps devices, online clues are keys to finding hiddentrinkets (picture), Jun 21, 2003
police look to skies for help; gpd using gps technology in investigations, Jun 28, 2004
onstar gps system helps police find pair wanted in theft of vehicle, Jul 17, 2004
gps to track spouse and secret tape recording of city manager cited as examples of local abuses of technology that havemade news, Nov 25, 2006
