The PayPal app can help you pay for things at stores, farmers markets and just about anywhere else using QR codes. We walk you through how to use it. Managing Editor Alison DeNisco Rayome joined CNET ...

QR codes have now become a common feature in our daily lives and are appearing on almost everything from product packaging to ...

As smartphones have become more and more ubiquitous, so have QR codes. These maze-looking squares are a type of matrix bar code that contains data — usually, QR codes point to a website or open a ...