Please follow this link to the blog of a young Australian writer who has done some interesting comparative research on digital books versus print books. It is a long blog post, but worth the effort if you’re interested in the subject.
(My WordPress software continues not allowing the creation of links.)
I particularly like this quotation from Eco.
Umberto Eco sums up accurately their everlasting nature: “Books belong to the kind of instruments that, once invented, have not been further improved because they are already all right, such as the hammer, the knife, the spoon or scissors”