RFID tags on tickets could accomplish this and have been being tested for a while now but haven't got much adoption yet unfortunately. Hopefully more soon. htt

RFID tags on tickets could accomplish this and have been being tested for a while now but haven't got much adoption yet unfortunately. Hopefully more soon. http://www.theregister.co.uk/2005/04/04/world_cup_rfid/ http://www.theregister.co.uk/2005/04/04/world_cup_rfid/