Using vehicle search tool you will be able to specify a place on the map and a period of time and GPSControl will give you information about all the cars that have been in specified range at specified time.
Nearest cars and nearest objects
As the name suggest, this tool allows you to find a car that is nearest to the specified object or vice versa find an object that is closest to the chosen car.
Using GPSControl you are able to share position of any car you choose. System will generate a link that requires no authorisation and is accessible from any browser. The person who recieves this link will be able to watch the car for as long as you have specified while generating a shareable link.