Not all codes work with all apps. The Universal Product Code (UPC) is standardized by an international non-profit. You'll find it on most everything you buy. QR codes are more and more common each day ...

Barcodes use a one-dimensional code, but two-dimensional data-capture technologies, including radio frequency identification (RFID) tags, data matrix codes favored by healthcare, and increasingly ...

But just as the report predicted massive adoption of QR codes for payment, it noted that rising data breaches and security ...

Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR) st… ...

The Google Code Scanner API supports a wide range of code formats, including QR codes, barcodes, and Data Matrix codes.

There are growing calls for police to be banned from snooping on Australians’ QR code check-in data that most people are now using to aid in Covid-19 contact tracing.

You probably noticed that QR codes made a big comeback during the last two years because people had a desire for touchless menus and transactions. In fact, from 2018-2020, QR code usage grew by 96%.