I have a friend who calls me occasionally to 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 how ...

QR codes are surrounded by blank space, the quiet zone, to help the computer determine where the QR code begins and ends. QR codes can include an optional logo in the middle. Like barcodes, QR codes ...

Georgia lawmakers are deciding whether to spend as much as $66 million to remove computer QR codes from ballots or abandon the idea in favor of a $15 million software update. Secretary of State Brad ...