You’ve seen those odd-looking square QR codes on ads, store windows, business cards, or flyers. Prior to iOS 11, you needed a special app to scan these QR codes to see what Web URL, contact card, Wi-Fi network, or other piece of information it held. New in iOS 11, though, you can just point your iPhone or iPad camera at a QR code, no need to take a picture! You’ll get a notification, just tap the notification to display whatever data was encoded by the QR code.
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