THEY SEEM TO BE JUST ABOUT EVERYWHERE. QR CODES OR QUICK RESPONSE CODES ARE SMALL BARCODES THAT WHEN YOU SCAN THEM WITH YOUR PHONE, TAKE YOU JUST ABOUT ANYWHERE. LIKE THIS RANDOM YOUTUBE VIDEO OF ME ...

QR codes are convenient but experts warn they can hide costly scams. What steps should you take before you scan? Tips on how to keep yourself secure. Could a QR code put your privacy at risk? You see ...