And, two decades ago, that was certainly the case when Apple paired up a quirky all-in-one computer with a breakthrough graphical user interface for the original Macintosh computer, introduced in 1984.

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When computers were the province of corporate programmers and youthful tinkerers he saw their possibilities for illuminating the lives of all of us, seizing on the first gropings by Xerox researchers who developed a primitive mouse and graphical interface, and perceiving in a flash there the chance for an epochal extension of the capabilities of everyone.

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Yet just as Apple pioneered the graphical interface in the 1980s, it could now blaze a trail for the music industry.

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