Who would have thought that the lowly barcode, the stodgy grandfather of the identification technology world, would reemerge as a marketer’s dream? Well, it is happening. A new generation of barcodes ...

QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account information, phone numbers, or even coupons. QR codes are found everywhere from ...

QR codes are everywhere these days, from glossy product flyers to billboards to T-shirts. But it’s quite possible you have no idea what a QR code is and wouldn’t recognize one if you saw one. And I ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Two-dimensional (2D) barcodes, more prominently recognized as QR codes, are back in fashion—with much demand for just about 'contactless' everything these days. Coinbase didn't waste time in seizing ...

Hailed as 'space-age' technology upon their launch in Britain in 1979, 'bar-coding' was praised as a wonderful invention that would speed up the weekly shop. But 50 years after being first used on ...

GREENSBORO, N.C. — The checkout has changed over the years. First, cashiers manually punched in the price of an item, then the scanners made check-out much quicker, and today, there's self-check-out.