What’s funny though.. Back in the day we had the bar code, the one with the black/white stripes. There were computer magazines in the 80s which tried to use it as an alternative to listings.

If, for whatever reason, you can’t figure out how use your phone’s built-in QR reader, there are many free easy-to-use QR code reader apps available for iOS and Android. The new normal: It's a ...

Then things got even more random. In 2011, Quiring Monuments in Washington State started putting QR codes on graves. The company’s president, Jon Reece, said that though at first challengers ...

QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account information, and phone numbers.

The trouble is, with QR codes, you may not be able to tell the difference between a malicious code and a legitimate one until you've scanned it. But there are a few ways you can avoid fakes.

First, you need a QR-code app and a smartphone or tablet equipped with a camera. iOS users should check out RedLaser.Android fans can try either RedLaser or QR Droid.Both of these apps are free to ...