Apple’s ‘electronic document thinning’ involves its iBooks Author app
<p>Apple has been granted a patent (number 9,710,944) for “electronic document thinning” that involves is iBooks Author software. iBooks is a free ebook app that allows you to read publications purchased at the iBooks Store. iBooks Author lets you create iBooks textbooks (as well as other types of books) for the iPad and Mac.</p>