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By virtually any measure, United States v. AT&T ranks at the top of all the major cases in American history involving law and business. Before the divestiture of its local phone companies on January 1, 1984, AT&T was the world's largest corporation. Now, after years in court and thousands of pages of legal motions and briefs, tens of thousands of pages of testimony, still more thousands of pages of reorganization plans, and hundreds of pages of court opinions (all published in UPA's collection for the first time), AT&T has changed dramatically--into eight independent companies--and the telecommunications industry has entered a new era of competition, invention, and uncertainty.

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