This is the first application of optimized standard barcodes on phones used by the public, RockerBux claims. “Our barcodes are optimized for different phone screen types, ranging from low-quality ...

MINNEAPOLIS — For food retailers, coupons on mobile phones present two problems: The cashier needs an image scanner to scan the 2-D coupon bar code — most grocers use laser scanners not suited for ...

QR codes was the new marketing tool on the block years ago, but as folks discovered, not everyone had a QR code scanner on their phone to use them. Nor was it easy to get a QR code scanner to use them ...

QR codes have been around for a few years now, though they have fallen in popularity as smartphone users haven’t had a way to scan QR codes from their phones. Most phones don’t come with a QR code ...