This is a standard situation in which passports, identity cards, customer loyalty cards, patient cards, wristbands and other ‘things’ authenticate us to a range of governmental, corporate and other organisations. Currently some of such tokens may be equipped with additional smart technology, such as biometrics (as in the new generation of passports) or RFID. There has been (May 2012) a small controversy about the introduction of microchipped ID wristbands UK festivals: the wristband enables visitors to load cash on them for transactions at the festival site, and offers organisers the possibility to track visitor activity. Such bands have been widely used on European venues already.
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