While anyone with a Kindle or Nook knows they can download e-books from the Internet, not everyone is mindful of the fact that they are also sending information back to Amazon or Barnes & Noble (or Google, or Apple). It’s not just so that you can switch between your e-reader, laptop, phone and tablet without losing your bookmarks and notes; it’s also so that these e-book sellers can share this information with the publishers of the books you’re reading. [More]