The concept of the barcode — an alphabet made up of thick and thin bars — came into being in the 1950s. It took another quarter of a century for one to be printed on product packaging and scanned.

Which Bluetooth barcode scanners are best? A barcode scanner is a must-have for scanning and sorting mail, inventory and other items with barcodes in a retail environment. However, depending on the ...

Scan QR codes faster with these tips. Image: D. Griffin Jones/Cult of Mac You can scan a QR code directly from your iPhone — you don’t need to download a third ...