Nielsen Expected To Delay Findings On Cause Of Lost PPM Connectivity
Nielsen Expected To Delay Findings On Cause Of Lost PPM Connectivity
Almost 2 weeks ago (NET NEWS 11/10), NIELSEN informed audio clients that as a result of a move to a new audio data collection site, the company discovered that 8% of the installed PPM devices across the aggregate of 48 PPM markets lost connectivity during the DECEMBER survey and became inactive. The issue was spread fairly evenly across all markets. NIELSEN explained, "As the result of a move to a new audio data collection site last weekend, we discovered that 8% of the installed PPMs ...
Source:
www.allaccess.com
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