The fact that Kindle apps for PC, tablet, and smartphone followed was no surprise.

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Kindle Textbooks are "Rent Once, Read Everywhere" as they can be read across the most popular devices with free Kindle Reading Apps for PC, Mac, iPad, iPod touch, iPhone, BlackBerry, Windows Phone and Android-based devices.

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Customers can check out a Kindle book from their local library and start reading on any generation Kindle device or free Kindle app for Android, iPad, iPod touch, iPhone, PC, Mac, BlackBerry or Windows Phone, as well as in their web browser with Kindle Cloud Reader.

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For over two years, Amazon has been building and introducing a wide selection of free "Buy Once, Read Everywhere" Kindle apps for iPad, iPod touch, iPhone, Mac, PC, BlackBerry and Android-based devices that let customers read and sync their reading library, bookmarks, notes, and highlights with the device or platform of their choice.

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Kindle books are "Buy Once, Read Everywhere" with free Kindle reading apps available for the most popular devices, including iPad, iPod touch, iPhone, PC, Mac and Android-based devices.

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