QR codes are pixelated black and white squares that perform magic when we point the cameras on our phones at them—but what’s going on that makes this little spell possible? QR codes are akin to the ...

You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

QR codes — which were invented in 1994 by an automotive company to track car components — became highly popular for their ability to store large amounts of data but are also highly susceptible to ...

Scanning a QR code can expose you to identity theft, according to the Federal Trade Commission. Quick-response, or QR codes, which store links and other information and are readable by a smartphone ...