Bar codes are making a comeback. Well sort of. They're not your traditional bar code. I had an opportunity to speak with execs at a Long Beach, Calif.-based advertising agency attempting to cozy-up to ...

While QR has become a staple for "contactless" transactions of information and money, many don't know what the initials stand for, how it works, or who invented it.  What does QR stand for? QR stands ...