Two-dimensional (2D) barcodes, more prominently recognized as QR codes, are back in fashion—with much demand for just about 'contactless' everything these days. Coinbase didn't waste time in seizing ...

Is it a printing error? A pixilated maze? One of those puzzles where you have to cross your eyes to see the hidden image? Two-dimensional matrix bar codes are expanding into the mainstream. You can ...

Spread the loveIn the digital age, QR codes have become ubiquitous. You’ve seen them everywhere—from restaurant menus to ...

Manufacturers have become remarkably good at printing codes, applying everything from batch numbers and best-before dates to serial numbers, along with ...