For nearly twenty years, futurists have been predicting the imminent demise of printed books. The “conventional wisdom” has been that digital “e-books” were on the verge of replacing paper books. There are many reasons why: lower expenses, ease of ordering and receiving books, reduced storage space, and more. There's only one problem: none of the predictions have yet come true. Now Sony finally has a new device that may hasten the demise of paper-based books.