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A comment on There’s a Multibillion-Dollar Market for Your Phone’s Location Data. Parent comment

Re:There’s a Multibillion-Dollar Market for Your Phone’s Loc... by amelius on Saturday October 02, 2021 @05:29PM (#28732245)
Your shoes could have embedded RFID tags (perhaps originally intended as a payment/anti-theft method by the store you bought them from) that can be used to fingerprint/track you everywhere.
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Re:There’s a Multibillion-Dollar Market for Your Phone’s Loc... by Gigachad on Saturday October 02, 2021 @08:04PM (#28733320)
There is zero chance a company would get away with that. Someone will find out their shoes have a pcb and battery in them.
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Re:There’s a Multibillion-Dollar Market for Your Phone’s Loc... by fsckboy on Saturday October 02, 2021 @08:57PM (#28733614)
no battery for RFID, it works by getting revved up with induced current from a varying magnetic field
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