The Quick Response code (or QR code) was introduced in 1994, but it never really took off in the US until decades later when the pandemic created a need for a quick, easy, and (most importantly ...

If you're on an Android device, you can access the QR code scanner simply by opening the app; for iOS, you'll need to open the Mobile Security app, then tap the QR code scanner icon in the top-right.

QR scanners function by capturing an image of the QR code and processing it using an algorithm that deciphers the stored ...