The UPC barcode, appearing as a sequence of vertical lines on a product label, revolutionized the retail industry 50 years ago by automating price lookup at checkout. While the technology has endured, ...
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 ...
The next generation of barcodes includes a heavy emphasis on QR codes and smartphone-use. Fifty years ago, on June 26, 1974, the first universal product code (UPC) was scanned at a Marsh Supermarket ...
Not all smartphones require a third-party app to scan QR codes. Kurt "CyberGuy" Knutsson shows you how to scan codes using ...
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 ...