U.S. media companies suffered a devastating decline in advertising revenue during the first six months of this year, according to a Nielsen report. Biggest losers included the newspaper and magazine sectors. Gainers included infomercials and smartphone ads.

U.S. media companies suffered a devastating decline in advertising revenue during the first six months of this year, according to a Nielsen report. Biggest losers included the newspaper and magazine sectors. Gainers included infomercials and smartphone ads.

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