What Are QR Codes?

Even before millions watched a QR code bounce across the screen during the Super Bowl, the plucky code scratched back into our lives. 

QRCode Monkey - The free QR Code Generator to create custom QR

QR Codes: How Safe are They? Office of Information Security

What is a QR code?

How QR codes hide privacy, security risks

How do QR codes work—and what makes them dangerous

How to Make a QR Code in 5 Easy Steps

5 Things to Consider Before Scanning Your Next QR Code

QR Codes 101: Measuring Marketing and Optimizing the Prospect

Demystifying QR Codes: What are they and how do they work - Yanko