The QR code system was originally invented back in the year 1994, pre-dating the smartphone by a decade and a half. The QR code (Quick Response code) that was once mainly aimed at identifying products ...
You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.
You’ve probably never seen the QR code printed on your iPhone screen because it’s so microscopic that most people have no idea there’s a QR code there. A new report from The Information details how ...