Nielsen’s Twin CDM Cuts: A Money Matter


With much fanfare, Nielsen Audio devoted much of 2019 to the launch of continuous diary measurement across markets where its Portable People Meter (PPM) is not used to produce ratings reports for subscribing radio broadcasting companies.

In August, five markets received their first Nielsen “CDM” results. It was the highlight of a month’s-long move designed to provide advertisers and radio’s sales teams with more reliable data based on what diarykeepers state on paper they are listening to when seeking audio entertainment and information.

That’s come to an abrupt end in two markets. The reason may be simple: It costs too much.

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