How to scan a QR code safely using your smartphone

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.

How do you scan a QR code that's already on your phone's screen? It's surprisingly easy

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 ...