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 ...

You probably think you need to use your smartphone's camera to scan a QR code, right? That's not the case — it's entirely possible (and super-easy) to scan a "Quick-Response" code that's already saved ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. QR codes, short for Quick-Response codes, are pretty neat. You scan the code using your device's camera, which picks up embedded ...

Technology is always moving forward, and for the most part, it's making our lives easier. Every once in a while, though, an invention comes along that basically changes the way we interact with the ...

Add Yahoo as a preferred source to see more of our stories on Google. You can scan the QR code on your own smartphone without needing a second device. Photo: Getty Images QR codes can be scanned ...