As a user you download the book over HTTPS after paying. I don't know whether Kindle is a walled-garden or Kindle can also open files you download with a browser.
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As a user you download the book over HTTPS after paying. I don't know whether Kindle is a walled-garden or Kindle can also open files you download with a browser.
thank you.
which format is most popular?
HTML, text, epub, pdf?
That's a good question.