Earlier you said that Europeans don't really have any interest in e-books, but you know that Europeans love their books very much. A book also has a market value. An old book that has been preserved for years will have a certain sentimental value, but also a market value. I don't know if a book on diskette will have the same value. That also comes into play. Perhaps that's why Europeans are book lovers. In public places in Europe, in Paris, for example, they go looking for old books, interesting books, and they love to be able to hold a book in their hands and to read it. It's a completely different attitude.
For young university students, on the other hand, the vision is completely different. It's much quicker for them to search for a book on the Internet when they do their homework. They can determine very quickly whether they've reached such and such a chapter, paragraph or page. That's probably faster than if they had a book in their hands.