Scanning QR codes is easy when they're located on ads or the TV, but you may have wondered how to do so when the code is ...

Not all smartphones require a third-party app to scan QR codes. Kurt "CyberGuy" Knutsson shows you how to scan codes using iPhone or Androids.

Your smartphone already carries a capable barcode and QR code scanner, tucked into tools you probably open every day. With a couple of taps, you can turn the camera ...