QR codes were essentially something that you could scan with your phone, which would then take you to a web page with some information, or possibly display a promo code or offer.

The code reader app will automatically scan and decode the information embedded in the code. It will display the data or perform the specified action after scanning the QR code.

QR CODES are becoming increasingly popular, as technology continues to advance. Here, we look at how you can scan them on phones made by different manufacturers. How to scan QR codes on iPhone Appl… ...

Years ago, when QR codes arrived on the tech scene, they were heralded as not only the inevitable successor to bar codes, but also the future of information-sharing. By scanning a code, you could ...