Especially now that (more often than not) you can attach Audible books to your Kindle books for a fairly trivial price, and whispersync for voice means you can

Especially now that (more often than not) you can attach Audible books to your Kindle books for a fairly trivial price, and whispersync for voice means you can hop back and forth between reading and listening. Now, any time I'm using my eyes and hands, but not my ears and mind, I'm listening to books--increased my reading rate by a lot.