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 ...

Tiny details: QR codes are designed to efficiently and securely store digital data in a compact, two-dimensional form. Researchers at TU Wien took this principle further – delving into the microscopic ...

Scientists have created a microscopic QR code so tiny it can only be seen with an electron microscope—smaller than most bacteria and now officially a world record. But this isn’t just about size; it’s ...

For those of us who weren't paying attention, over the last few years, scientists around the world have been one-upping each other in a bid to create the smallest QR code that can be reliably read.

Record breaker The researchers test the QR code during their successful world record attempt. (Courtesy: TU Wien) But this wasn’t just a ploy to get into the record books, the QR code was created as ...

On December 3, the team secured a Guinness World Record for the world’s smallest QR code. Spanning just around 2 sq. micrometres, the code is about one-third the size of the previous record holder and ...

A QR Code scan is like a raised hand in a crowded room. It’s voluntary, visible, and tells you exactly who’s interested. Compare that to website cookies, which are more like secretly following someone ...