COLUMBIA, Md., June 21 /PRNewswire-FirstCall/ -- Arbitron Inc. (NYSE: ARB) announced today its new generation of audience measurement, the PPM 360 technology, a flexible, convenient solution to measuring media by extending the Portable People Meter(TM) (PPM(TM)) technology onto a wireless platform.
Source : http://www.prnewswire.com/news-releases/arbitron-a...
Source : http://www.prnewswire.com/news-releases/arbitron-a...