System and method for server based control

A system for use with a second handheld battery-operated mobile device that is identified by a second identifier, that comprises a second antenna for communicating over a first wireless network, and that comprises a second antenna for communicating over the Internet via a second wireless network, and for use with a third handheld battery-operated mobile device, that comprises a display, that is identified by a third identifier, and that comprises a third antenna for communicating over the Internet via a second wireless network, the system comprising:

• a first device that is battery-powered and that is identified by a first identifier, the first device comprising:
• a first antenna for communicating over the first wireless network;
• at least one first memory that stores computer-executable instructions;
• and
• at least one first processor configured to access the at least one first memory and execute the computer-executable instructions to send the first identifier to the second handheld battery-operated mobile device over the first wireless network, and
• a server connected to the Internet and comprising:
• at least one second memory that stores computer-executable instructions;
• and
• at least one second processor configured to access the at least one second memory and execute the computer-executable instructions to:
• receive a first message that includes the first identifier from the second device over the Internet;
• and
• send a location of the second device to the third device to be displayed thereon, over the Internet via the second wireless network, in response to the receiving of the first message.