Opinions expressed by Digital Journal contributors are their own. Many businesses and individuals have begun using QR codes for various purposes—marketing, communications, and file sharing; you name ...

You’ve probably scanned a QR code this week without thinking twice about it. It might’ve been on a menu, a package, or a flyer. What matters more is what happens after you scan it: you expect it to ...

QR (quick response) codes have been around for nearly 30 years. Developed in 1994 by a Japanese engineer for the purpose of tracking components in car factories, they have evolved into a highly ...