The conversation between human and AI assistant.
If I buy a Kindle do I have to buy books from Amazon to read in it, or could I read my own collection (not bought from Amazon) too?
That sounds easy enough. And how about the e-mail service?
To use the e-mail service, set up a personal email address for your Kindle through Amazon's Manage Your Content and Devices page. Then, send an email with the book as an attachment to your Kindle's address. The book should automatically appear in your Kindle library shortly.