At the Splendour in the Grass music festival in 2013 the festival wristbands had RFID tags in them. You could link your tag to your Facebook. Then, as you wandered about the festival going to see bands play, you could ‘swipe’ your wrist at these sensor stations to record your movements around the site. The festival said if you did this they would send you a customised playlist of every band you saw after the festival.
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