Amazon refreshed its Kindle lineup last month ahead of Apple's September 12 iPhone 5 announcement. One of the easily overlooked software features the online retailer also brought out: X-Ray for Books, Textbooks and Movies. In a nutshell, the X-Ray feature intelligently retrieves additional information when you tap an on-screen object, like a movie character, book passages, glossary and what not, also pulling related data from Wikipedia and YouTube to enhance your e-reading experience.
Likewise, X-Ray for Movies lets you learn more about the movie's cast and characters by just tapping the screen, which produces relevant content by cinema site IMDb. In today's update to its free Kindle app, Amazon is bringing X-Ray for Textbooks to iPhones, iPads and iPods...