Tesco is piloting a change to its in-store checkout process, which will look at replacing traditional barcodes with QR codes.
The new system could lead to the gradual phasing out of the familiar black-and-white stripes of conventional barcodes ...
The new QR codes also allow customers to instantly access detailed product information using their smartphones ...
The Food and Drug Administration said the sandwich’s label did not include ingredients for the bread, which contains milk.