Media companies want U.S. to force AT&T-Time Warner to share customer data

NEW YORK/WASHINGTON (Reuters) - Media companies plan to ask U.S. regulators to force AT&T Inc and Time Warner Inc to share their trove of customer data if the telecom and content companies merge, fearing the combined behemoth would have an unfair advantage selling targeted mobile advertising, a handful of media executives told Reuters this week. Customer data has become a key to the media industry's future as TV networks strive to provide the same kind of advertising as digital companies lik