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.
I am going to walk through how to unlock that hidden scanner in seconds on both iPhone and Android, then show practical ways to use it for shopping, travel, work, and security. Once you know where to ...
The following content is brought to you by Mashable partners. If you buy a product featured here, we may earn an affiliate commission or other compensation. It's surprising how often we need to keep ...