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IMAX, 3D glasses, VHS, technicolor\\u2026 technology has continually reshaped Hollywood. But perhaps the biggest, most important change happened early in the industry\\u2019s history: the transition from silent films to talkies. Marc Wanamaker, a longtime Hollywood historian and consultant on films like \\u201cLa La Land,\\u201d walks us through what happened, and how it forever transformed the silver screen.