4 ms·

You can email files to your kindle directly; although I just recently started using a kindle so I'm not sure if that's a new feature.

• Vivtek 8y ago
  I got my first Kindle in 2012 and it already worked then, so not particularly new.
• Arkaad 8y ago
  But there's a caveat: you lose the book cover in the process. I think Amazon does that intentionally.