QR codes (you know, those square images that can be scanned by your phone and point you to mobile websites) have never quite taken off with a mass audience, but some startups aren't giving up the ...

This allows for the full-width image of PJW’s binary likeness to be displayed in the QR code. [Russ] put up a QArt coder that allows anyone to put a pixelated image in any QR code.

Publish your QR code on your business cards, flyers, DVDs, brochures, mailers, signage, or any other material you give to potential clients. Hollings says he's even seen them placed on coffee mugs ...

You can still scan any QR code image using a free website—and it works on any device, including Windows and Mac. To get started, open the Web QR website on your device and tap the Camera icon.