But you can also remap other key functions such as Ctrl, Shift, Alt, various click and scroll mouse functions, and also launch other game profiles and third party programs.

FORBES: Macroing With The Razer DeathStalker Ultimate in Eve

If you really want to cut through huge blocks of text, you're still better off using the scroll wheel on your mouse.

ENGADGET: Hands-on with Tobii REX, a peripheral that brings eye-tracking to any Windows 8 PC (video)

In our hands-on demo, we stared at a world map, and then used the scroll wheel on a mouse to zoom in on that particular country.

ENGADGET: Hands-on with Tobii REX, a peripheral that brings eye-tracking to any Windows 8 PC (video)