Benjamin Claeys is CEO of QR TIGER, MENU TIGER and GiftLips. He also hosts Stay QRious, a podcast about QR code best practices. Barcodes have been a staple of commerce since the first UPC barcode was ...
Barcodes work based on light reflected back to scanner optics: black does not reflect light, while the white (blank) spaces do reflect light. Because characters (alphabetic, numeric, special) are ...
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