untapped market of managers, professionals and students. may make up about 75% of the white collar workforce. less than 5% now use computers, mostly because of their complexity. mcintosh is designed for simplicity. using a palm-sized unit called a mouse. >> it was the first time that a machine was personal, it was simple, it was friendly. >> it took the computer out of the exclusive domain of geeks and nerds and people who had memorized the commands and put it on the desk of everybody. untrained, nontechnical people. >> stores around the country put them on sale today, and analyst say it's a good bet that mcintosh could soon be the biggest apple of the industry's eye. >> it's got its best years ahead of it, eventually i want to be able to carry my mac around with me, walk around with it in my pocket. >> you really like that mac. would you trade it for an ibm? >> are you kiddin'? >> as material sciences progress, more and more circuitry keeps getting put on