Cont…
Then you are instantly notified of your flight’s departure gate, and your name is added to the list of checked-in passengers—no waiting in line. Your arrival triggers another network service, the airline’s frequent-flyer administra-tion system. You’ve just accumulated enough miles to get a first-class upgrade. So the network changes your seat assignment and you proceed to the airport lounge to await departure time. The radio-based network will notify your when your flight is ready to begin boarding.