Americans are increasingly doing their reading on screens
, according to the Association of American Publishers. From January 2010 to January 2011, e-book sales more than doubled, increasing by 116-percent to $69.9 million. By contrast, hardbacks and paperbacks fell by 11.3- and 19.7-percent, to $49.1 million and $83.6 million respectively. By our calculations, ten years from now, "turn the page" will signify nothing more than a Bob Seger song.