In Brazil, QR codes created as traditional mosaics offer expanded information on tourist hot spots.
Apparently, there are men out there who don't like to shop. The problem is serious enough that several stores are tackling the issue on how to make shopping easier to get men what they need without all the usual difficulties. The latest effort comes from a Seattle based store, Hointer that uses QR codes to guide men to the perfect pair of jeans.
QR codes can be a useful way to direct you to reams of information about something, but half the time it seems like they are just technology being used for technology's sake. Nothing makes that point more elegantly than this QR code clock.
We see Quick Response (QR) codes everywhere on products, and even in cornfields — and by scanning them we get additional information. Scientists got to wondering what would happen if you couldn't see the QR code? They believe an invisible version, only visible under infrared light, could catch counterfeiters.
For decades crop circles have been the subject of conspiracy theories about aliens leaving maps and coded messages on our planet. But one new crop design that looks otherworldly is actually the world's largest QR code.