Media, Marketers and Agencies Challenge Nielsen's Ratings Monopoly

Published Sept. 10, 2009 at 7:31 p.m.
NEW YORK (AdAge.com) -- Nielsen Media Research's core business -- TV ratings -- is up for grabs. The Coalition for Innovative Media Measurement, a consortium of the top media companies, ad-buying agencies and marketers was formally announced by 14 of Nielsen's biggest clients as a way to to "provide various constituents of the media business to develop better metrics," said Alan Wurtzel, NBC Universal's research president.

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