To test if Launchpad works, eject the Kindle from your computer. Then, on the Kindle, press the shift key twice, followed by the S key, all in rapid succession. This should display a small "success" prompt in the lower-left corner of the screen and put the Kindle into sleep mode (displaying one of its famous graphics).

While a Kindle might seem like an ordinary e-book reader, it supports a host of useful features and customizations. Here are some worth tweaking.