QR Code Security: How Your Business Can Use Them Responsibly
A Floating QR Code Was the Best Ad of the Super Bowl. There Was Just 1 Problem
QR Codes Grab Attention (Once Again) in This Year's Super Bowl Commercials — Sharethrough
How QR Code Drones Set the Stage for Sky Advertising
How to safely scan a QR code with your smartphone – CREDO Mobile Blog
What is a QR Code + How Does It Work? Everything Marketers Should Know
Beware of QR Code Scams - WSJ
Coinbase spent nearly $14 million on its QR code Super Bowl commercial — and it's paying off