These packaging doodles started as a thought of using only a QR for a label.
Ubiquitous hand-held devices provide for an easy and convenient information source, as well as for the UPC.
Thinking of ubiquitous once again, and common, is the UPC. Bar codes are everyday life and have made their way into popular culture as icons and graphics. There lies the introduction into areas of Semiotics with symbols, symbolism, linguistics and communication overall.
Much more needs to be investigate along this beginning path. It's only begun, only hints so far for packaging color, and shape communicating as symbols.