Because otherwise they would be unable to track movement and move the cursor in the computer screen.
6 inches makes you day but 12 inches can make your hole weak.
Your nose
They are both ment for boys but in the end it's the men who plays with them
Jingle Fett
Mousework !
His vision was based on movements.
He wanted to check his e-mail.
Because your foot would go right through the computer screen!
