QR codes are visual patterns that store data smartphones can read. AP Photo/Vincent Yu Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations ...

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.

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 ...

QR codes are a technology that desperately wants our attention. They appear everywhere from supermarket shelves and magazines to hiking trails and tombstones. Never ...

If your Android device is not scanning a QR code, there could be a number of potential issues at play.

Are QR codes all hype, or are they a valuable mobile marketing tool? I recently read the contributed post by Joe Gillespie about why quick response (QR) codes are a waste of time. In some instances he ...

Among my friends, I’m known as a QR Code fanatic, which isn’t quite true. QR Codes are the most popular form of 2D tags, which use regions of dots or rectangles inside a shape (typically square) to ...