The 2D versions of barcodes look like squares or rectangles containing many small, individual dots – QR codes are one version – and can hold a lot more information, which is encoded on both ...

The practical side QR codes and augmented reality each has its own set of pros and cons. There is still no standard format for 2D bar codes ? which minimizes consumer awareness ? and users do not ...

He then developed the concept for a 2D linear Morse code and ... will say goodbye to the old-fashioned barcode and every product will just have one QR code that holds all the information you ...

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.