Quote:
Originally Posted by yifanlu
...By connection, they have your credit card, address, and every book you read. ...
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They don't necessarily know your credit card. There is not need to provide a credit card number to establish an Amazon ID and register a Kindle.
Also, there is no way that they actually know what side loaded books you've placed on your device. They can only know the filename and possibly a title and such in the metadata. If you're really paranoid about some book on your device simply give it a bogus file name and bogus metadata for title and author, etc.