amazon sells books, and let's you read them on any device, their own Kindle included. They would see that opening their device up to Google or others will reduc

amazon sells books, and let's you read them on any device, their own Kindle included. They would see that opening their device up to Google or others will reduce the amount of books that they can sell. It would be similar to Apple opening up iPods to Windows encrypted/DRMed music files.