Allows only limited use of media that has been legally purchased.

When keyboarding, if you want to be fast and accurate you should return your hands on home row with your fingers relaxed and your eyes on the text use only your index fingers to hunt and peck keep your fingers stiff and your eyes on the keys slouch in your chair and keep your fingers hovering over all of the keys

What characteristic of long period comets suggest they come directly from the oort cloud?

Are special combinations of keys that tell a computer to perform a command. keypads multi-keys combinations shortcuts