What's new? Alerting readers to ebook revisions: Ebooks, in theory, should be easy to change. After all, a huge print book drawback — stale text sitting on a shelf — no longer constrains digital editions of textbooks, fast-moving tech topics, or a biography of Charlie Sheen.
But between theory and reality stand two big challenges:
Getting the changes to readers who've already downloaded an ebook file
Spotlighting what's changed, so folks don't have to hunt for the meaningful fresh bits