I buy books to put them on my shelf so that other people can see how smart I am. Only half joking - my bookshelf does start a lot of conversations, and I often

I buy books to put them on my shelf so that other people can see how smart I am. Only half joking - my bookshelf does start a lot of conversations, and I often lend out books to friends. It's going to be a long time before I'm going to plunk down cash for electronic-only versions of books. I do however often choose technical books that come with a PDF version free over other books on the same subject (e.g., Manning Publications)