One prominent example of the 2D barcodes is the QR codes, which have been paving the way for the next phase of barcode ...

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

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.