The ubiquitous QR ("quick response") codes that appear on ... packaging and are increasingly moving to QR codes and other 2D barcodes because of their robustness," says Sharma.

2D or otherwise. But thanks to the University of Copenhagen, that may soon change. A new paper featured in the International Journal of Pharmaceutics details research being done to print QR codes ...

by incorporating quick response (QR) two dimensional codes (2D) on pharma packaging. For the past decade, QR codes have been successfully used in Japan, where they were invented. The practice ...

At this point, you’re likely aware that you can store your wireless network’s credentials in a QR code, so that anyone who wants to connect with their smartphone need only scan the 2D barcode.