Tech
Nielsen tweaks measurement of radio audience amid hush-hush adoption of Voltair boxes
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A Nielsen Audio chief engineer tacitly acknowledged that the company’s PPM technology does not fully measure listening in noisy real-world environments.
Quick Takes
Monday roundup: Questions about WGBH income; VPT legal fees
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Plus: A Boston Marathon playlist, a professor accuses PBS of bias and Laura Poitras returns to the U.S.