If you sell products to your customers, many of the items probably already have UPC barcodes you scan when ringing up sales. However, you can use barcodes on products or items for other purposes as ...

QR codes are cool, but they haven't quite caught on en masse yet, because finding cool uses for them have been challenging. One popular use for QR codes is printing them on business cards. Sharon ...

QR code, short for Quick Response Code, is a kind of matrix barcode that includes information about a product or service. You can find it being used for advertising purposes, where brands put up ...