Most of you might be aware that, in those days, the mouse used to come with a ball inside, and there were two rollers that actually guide the computer where the ball is moving, and, accordingly, where the mouse is moving.
Mnogi od vas su možda svjesni kako, prije, je miš obično dolazio skupa s lopticom unutra, i postojala su dva valjka koja zapravo navode računalo gdje se loptica kreće, i, sukladno s tim, gdje se miš miče.