In my personal experience, I have always found it that the books I've listened are the first to fade from my memory. Second came books consumed as ebooks and last, old fashioned paper books. I believe that the act of touching the book, carrying with you everywhere, leaving it on the table, seems to make its content much more memorable for me than reading it as an ebook or listening to it. I find it that I still remem…
I stopped buying ebooks completely within the last year after being quite a fan and owning 3 kindle readers. I'll still buy from a publisher that will send me non-DRM in multiple formats. At least then I feel like I own it instead of renting.