Another Ad Agency Commits to PPM

Another Ad Agency Commits to PPM
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Harmelin Media committed to using data gathered with Arbitron's Portable People Meter electronic ratings system when PPM is deployed. Harmelin bills more than $300 million annually, according to Arbitron, which said the agency has been closely involved with the PPM since the 2002-2003 market trials in Philadelphia. Several ad agencies have agreed to use PPM data, see previous story.