For years, QR codes sat quietly in the background of consumer tech useful, familiar, but far from exciting. They appeared on ...

Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations of digital data that can be printed and later scanned by a smartphone or other device, ...

I have a friend who calls me occasionally to come help him with various little things having to do with the technology at his house. This week, one of his requests was to learn more about QR codes and ...

I have a friend who calls me occasionally to come help him with various little things having to do with the technology at his house. This week, one of his requests was to learn more about QR codes and ...

The retail sector, known for its dynamism, faces fierce competition, prompting continuous innovation to meet evolving customer expectations. Recently, a digital transformation has unfolded in retail, ...

Two-dimensional barcodes called Quick Response codes, or QR codes for short, are used to store data that devices can read. While QR codes are popularly scanned via smartphones, what if you want to ...

Anatomy of a QR code While it is easy for people to read Arabic numerals, it is hard for a computer. Bar codes encode alphanumeric data as a series of black and white lines of various widths. At the ...

Software built into the cameras on iPhones and Android phones makes quick work of decoding QR codes. How do you do that on a laptop or desktop computer? I have a friend who calls me occasionally to ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. QR codes are visual patterns that store data smartphones can read. AP Photo/Vincent Yu Among the many changes brought about by ...