Technical Properties of the Arbitron PPM System Aug 19, 2009 9:00 AM, By Barry Blesser Arbitron’s Portable People Meter (PPM) system is currently replacing its old paper diary system. There are a ...
Arbitron said its Personal People Meter has been upgraded so it can distinguish between in- and out-of-home media exposure. The enhanced system uses radio frequency codes transmitted at low levels by ...
EDMONTON, Alberta--(BUSINESS WIRE)--PPM 2000, the leading developer of Incident Reporting and Investigation Management software for security, safety and risk management, announced today the release of ...
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