Quote:
Originally Posted by darthjoey
Um, you can you the Facebook feature with any book. It just sends a post with a link to your highlight/note on kindle.amazon.com. And if the book didn't come from Amazon, then it just says from a personal document.
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Right, I understand that. But I was curious to know what lets it know that is an Amazon book. Because I have some books I have downloaded that are in mobi but I didn't purchase them from amazon yet when i highlight and send to facebook instead of saying personal document it displays the cover and the author and book title.
I was just curious if there was some type of tag, isbn or whatever that amazon is looking for. I know it is not looking at my account for the book because like I stated I didn't buy the books from amazon.