As e-book sales overtake paper-book sales, it seems like everybody is crying and wringing their hands about what it means — serious, society-changing ramifications like the end of ownership, or ease of piracy, or environmental impact, or whether it makes things easier or harder for publishers or aspiring authors.Like most important issues, those are boring. What are some effects of going to an all e-book world that haven’t been talked to death? I dug around and tried to find some e-book ramifications that would appeal to the type of people who spend more time preparing for a zombie apocalypse than like, unemployment, or retirement, or something. You know, realists.