Bank of America is trying to carve out a slice of the $171 billion global payments market with a new technology that would allow you to pay at a store by scanning a QR code on your smartphone, Reuters ...

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 ...

A QR Code scan is like a raised hand in a crowded room. It's voluntary, visible, and tells you exactly who's interested. Compare that to website cookies, which are more like secretly following someone ...