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.

Google is working on a change to Android Quick Share that makes using the tools with QR codes even more streamlined.

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