Computer hardware and software system for tracking people, objects and pets using GPS data on a device on the tracked people, objects and pets; Computer hardware and software, for use with medical patient monitoring equipment, for receiving, processing, transmitting and displaying data; Computer hardware for telecommunications; Computer hardware for wireless content delivery; Electronic communications systems comprised of computer hardware and software for the transmission of data between two points; Electronic devices for animal locating and tracking programmed to use global positioning systems (GPS) and cellular communications; Global positioning system (GPS); Global positioning system (GPS) consisting of computers, computer software, transmitters, receivers, and network interface devices; GPS / GSM tracking device to be worn on the wrist of an athlete during endurance events; GPS data logger for recording trips and classifying them into different accounts; GPS navigation device; Vehicle locator and recovery device programmed to use global positioning systems (GPS) and cellular telecommunications; Vehicle mounted GPS sensor for determining the rate of motion for a vehicle