QR codes probably aren’t something you use on a daily basis, but they are incredibly useful when you need them. If you’re a big WhatsApp fan, you can now use QR codes to import contacts into the ...

In a hotel lobby, two QR Codes promote the same thing: a 10% discount on the breakfast buffet. One sits at eye level beside the elevator buttons, right where guests wait with their phones in hand. The ...

QR codes have become ubiquitous short cuts for everything from account log-ins to restaurant menus, but are we at risk of ...