Amazon brings one of its flagship Kindle features, X-Ray for books, to its iOS app - The Next Web

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"One of Amazon’s flagship features, X-Ray for Books, has finally arrived in its iOS version. This is enormous  as it’s one of the main reasons I love reading books on my Kindle and the Kindle Fire so much better than my iPad.
The X-Ray feature is one of the coolest selling points of the Kindle devices including e-ink and HD models. The ability to get a breakdown of characters on a page and where they appear in a book is super neat. Amazon calls it seeing the ‘bones of the book’."

p.s. if you're using the latest iOS Kindle client and want to explore X-Ray, touch in the middle of a book page to pop-up the Kindle menu and then touch the open-book (Go to) icon in the center of the icon row at the bottom of the screen (iPhone; it's in the top icon bar, on the iPad Kindle client, to the right of the home icon); note that not all Kindle books have X-Ray content, so the X-Ray menu option may be grayed-out
Amazon brings one of its flagship Kindle features, X-Ray for books, to its iOS app - The Next Web