History: New York City, 1980s, United States

Media
New York is a center for the television, advertising, music, newspaper and book publishing industries and is also the largest media market in North America (followed by Los Angeles, Chicago, and Toronto).
Some of the city's media conglomerates include Time Warner, the Thomson Reuters Corporation, the News Corporation, the Hearst Corporation, and Viacom. Seven of the world's top eight global advertising agency networks have their headquarters in New York. Three of the "Big Four" record labels' headquarters, are in New York City; Universal Music Group, Sony Music Entertainment and Warner Music Group. One-third of all American independent films are produced in New York.