QR codes are here to stay. So is the tracking they allow.

 

Source: Erin Woo, N.Y.Times ( Paid Registration )

QR codes — essentially a kind of bar code that allows transactions to be touchless — have emerged as a permanent tech fixture from the coronavirus pandemic. Restaurants have adopted them en masse, retailers including CVS and Foot Locker have added them to checkout registers.

But the spread of the codes has also let businesses integrate more tools for tracking, targeting and analytics, raising red flags for privacy experts. QR codes have allowed some restaurants to build a database of their customers’ order histories and contact information.

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