In Pictures: So crazy it just might work

11 successful technology ideas that were scorned (initially)

Compact discs In the late 1970s, heavyweight competitors Sony and Philips worked together to develop the Compact Disc (CD) format, soon to revolutionize sound recording and distribution. Their biggest obstacle? A profoundly skeptical music industry, who insisted digital would never replace analog technologies like vinyl and cassette. Sony chairman Norio Ohga basically staked his career on the CD format. A classical music connoisseur, Ohga trusted his ear and promoted the CD's superior sound quality. Five years after debuting in Japan, the CD overtook the vinyl LP in total record sales.

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