Its Whispersync feature automatically syncs your last page read, bookmarks, notes, and settings between a wide range of compatible devices. Kindle for PC is freeware that lets you access your Kindle titles without a Kindle device. A lot of work went into making Kindle as book-like as possible while still preserving the advantages of an electronic device, such as a customizable interface, variable type size, notes, data storage, and more. Electronic books have changed the public's reading habits, and millions worldwide now read books, magazines, and other content on handheld readers like Amazon's Kindle.