The Dynabook, he called it. “I remembered Aldus Manutius who forty years after the printing press put the book into its modern dimensions by making it fit into saddlebags,” he wrote. By the same logic, the Dynabook would have to be no larger than a notebook. “Now it was easy to know what to do next. I built a cardboard model of it to see what it would look and feel like, and poured in lead pellets to see how light it would have to be (less than two pounds). I put a keyboard on it as well as a stylus
Foreshadowing of the iPhone. I think this book was released before the iPhone.
