QR code, short for Quick Response Code, is a kind of matrix barcode that includes information about a product or service. You can find it being used for advertising purposes, where brands put up ...

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You’ve probably scanned a QR code this week without thinking twice about it. It might’ve been on a menu, a package, or a flyer. What matters more is what happens after you scan it: you expect it to ...

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Designed as a high-tech marketing resource, QR (quick response) codes have many useful applications. These (usually) black-and-white algorithmic codes are gateways to a potential multimedia nirvana.

To generate and share a WiFi QR code on an iPhone running iOS 18, open the Passwords app, select the Wi-Fi option, choose your network, and tap Show Network QR Code. Your friend can scan the code ...