When they appeared, electronic books revolutionized the way we had to read and, above all, to store and transport books. What used to be carrying billets of several hundred pages, with eBooks it became possible to carry thousands of books in a single device.
However, until we get to the eBooks we use today, before there were other inventions, prototypes and creations that pointed in the direction of bringing together as much knowledge as possible in the smallest space. And at the origin of this idea is a Spanish woman: Ángela Ruiz Robles .
