(Nanowerk Spotlight) Quick Response Codes, or QR codes for short, are two-dimensional matrix codes that can hold 100 times more data than a traditional barcode. QR codes have rapidly gained popularity ...

Coca-Cola does it. KFC does it, too. There’s no reason why you and your clients shouldn’t benefit from the use of QR codes on cups, hats or other promotional items as well. Bearing in mind the #1 rule ...