Are QR codes safe to use and what are the security risks? Here’s what the experts say.

Ramos said QR codes have emerged as an effective way to collect first-party data. If the pair of jeans you like has a QR code on the tag, you can scan for more details on the brand’s website. The next time you visit, the site will remember you, and Jeans will be waiting in your shopping cart with a discount.

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