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A comment on Why's that company so big? I could do that in a weekend. Parent comment

Re:Why's that company so big? I could do that in a weekend by Frenchgeek on Monday October 03, 2016 @09:51AM (#12627405)
RFID like chips on bus stops too, maybe?
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Re:Why's that company so big? I could do that in a weekend by Natanael_L on Monday October 03, 2016 @10:03PM (#12632837)
While active RFID is possible, other radio tech designed to work as beacons is more likely
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