Now you can overcome some of the limitations of printed media by adding additional content: metrics, reader interaction, space savings and more.
Digital technology gives people the impression that it’s superior to physical media because it can deliver all these features. However, this is far from the truth. It’s obvious that physical media is here to stay, and is even going from strength to strength in some cases. An attempt was made to compensate for some shortcomings with the invention of the QRCode, which has become popular to the point of being a standard function available on every smartphone. But here again, its rudimentary, limited and unattractive look has confined it to just a few very unsophisticated applications.

Book publishers were the first to use this technology, when they were forced to switch to digital while avoiding having to scrap their preferred medium: paper.