You may have noticed the proliferation of QR codes in your mailbox in the last few years. We certainly are moving toward a digital world, and QR codes are part of that evolution. A QR code is a ...

In the last several years, square patterns of black-and-white smaller squares have popped up everywhere. Sometimes they tell you to scan them with your mobile phone. Or they just assume you know what ...

If QR codes are ubiquitous, one would be forgiven for wondering where they're all coming from. The answer, chiefly, is free online generators. But making a successful QR code isn't quite as simple as ...