One thing I would miss is visiting someone's house and getting a very quick but quite profound insight into their life history and interests by browsing their b

One thing I would miss is visiting someone's house and getting a very quick but quite profound insight into their life history and interests by browsing their bookshelves. A lot harder to do with an ebook collection. The same in reverse - I have a lot of books, and visitors will often go straight to the bookshelves and start browsing. Lots of interesting conversation starters right there.