What may be lurking behind that QR code

As we go about our daily lives, whether that be shopping with the family, enjoying dinner at a restaurant, finding our gate at the airport, or even watching TV, we find ourselves more and more often encountering the QR code. These black-and-white checkerboards of sorts have gained a reputation for being a fast and convenient way of obtaining information via our smartphones while at the same time contributing to environmental conservation, as they allow businesses such as retailers and restaurants …

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