Originally Posted by bhartman36
The Kindle already has
cloud integration. It's just a different cloud. You can already download and read your Kindle book from any device with the Kindle software (either the Kindles proper, or the various flavors of Kindle software). To my knowledge, the only thing you can't do is read your Kindle books on the Web, and that's "coming soon" in the form of Kindle for the Web
100% true, but I can't add my OWN books/documents/Calibre's Recipies into this cloud storage, I can only send them to my @free.kindle.com address, hence, only to one device.
That's where Amazon Cloud Drive comes in