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) ...

As the Coronavirus outbreak rages on, the Chinese government is implementing a system of colored QR codes in hopes of containing the spread of the illness, Reuters has reported. On Wednesday, The ...

Dutch Boy is leading the charge of paint brands opting to leverage mobile to attract consumers by placing QR codes on the back of its paint chips, which users may scan to view different room scenes.

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.

China is set to soon assign citizens QR codes that will indicate whether they’re at risk of contracting the new coronavirus and need to self-quarantine. Millions of people in Hangzhou, the city ...