Silicon Valley Luminaries Bet on Clinkle, a Payments Start-Upbits.blogs.nytimes.com 3 pointsScottBurson13 years ago1 commentSaveHideCopy link On HNComments−gojomo13yAnyone used this and have a guess as to what's involved -- Bluetooth Low Energy? Geofencing? Ad-hoc/rendezvous over wifi? Ultrasonic acoustics?
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Anyone used this and have a guess as to what's involved -- Bluetooth Low Energy? Geofencing? Ad-hoc/rendezvous over wifi? Ultrasonic acoustics?