We return to the book in its original form, then, held in our hands to discover that the future of information and knowledge has always been right there on our shelves. It’s presented not as a nostalgic reference to the analog medium, but rather as a concrete necessity to univocally approach the organized content of a single creator with a coherent... See more

But very few interfaces do a brilliant job of the third need: showing me where I've been and how I got here. We can do it at small scales. Patterns like breadcrumbs help us navigate through website or wiki with lots of subpages, but those don't scale well beyond ~7 steps.