ncluding Subsidiaries in Countries Other Than Japan]
Sony diversified its product line in the 1980s and began to expand its production operations beyond Japan. In relation to product diversification, Sony initially stayed in electronics, with the development, production, and marketing of computers, computer chips, and disk drives. Sonly also manufactured Apple Computers PowerBook laptop computer. Soon, however, the company expanded into entertainment with the acquisition of CBS Records in 1988 and Columbia Pictures in 1989. Sony also acquired TriStar Pictures in the Col
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