aug 12, 1981 - IBM PC release

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By 1984 the press called the two companies archrivals, but IBM had $4 billion in annual PC revenue, more than twice that of Apple and as much as the sales of it and the next three companies combined. A Fortune survey found that 56% of American companies with personal computers used IBM PCs, compared to 16% for Apple. Small businesses, schools, and some homes became the II's primary market.

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