“Annotations Backup: Allows you to toggle on and off the automatic backup of your annotations, last page read, and collections to Amazon's servers.” — Amazon Copy Share Image
“If you don't want to share your highlighted passages with Amazon, turn off the Annotations Backup option in the Reading Options page under Settings. If you do this, your annotations aren't backed up by Amazon, and they won't appear on… — Leslie H. Nicoll Copy Share Image
