Disney bets big on visitor-tracking technology

Disney bets big on visitor-tracking technology
…Bracelets called MagicBands, which link electronically to an encrypted database of visitor information, serve as admission tickets, hotel keys, and credit or debit cards; a tap against a sensor pays for food or trinkets. The bands have radio frequency identification (RFID) chips — which critics derisively call spychips because of their ability to monitor people and things.