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 ...
来自MSN

Your phone has a hidden barcode scanner, use it in seconds

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 ...
AOL

How Do You Scan A QR Code That's Already On Your Phone's Screen? It's Surprisingly Easy

QR codes, short for Quick-Response codes, are pretty neat. You scan the code using your device's camera, which picks up embedded information, often to share details or direct you to a website. The ...