Vivvo CMS 4.1 http://www.rbr.com/ ©2010 Spoonlabs d.o.o. http://www.rbr.com/files.php?file=rss_logo1_757997737.jpg http://www.rbr.com/ http://www.rbr.com/media-news/11674.html Media News Sun, 07 Dec 2008 10:31:00 -0500 The Nielsen Company is invading Arbitron’s turf, US radio ratings, so Arbitron is threatening to fight back by offering TV ratings with its Portable People Meter (PPM). If it comes to a showdown, who is likely Media News Tue, 09 Dec 2008 08:57:18 -0500 Before you jump to conclusions, you may want to check this other survey about the same subject: http://www.medialifemagazine.com/artman2/publish/Research_25/Media_buyers_We_re_behind_Arbitron.aspNeither survey adequately disclaims sample size, distribution, etc.Sound and fury. Media News Thu, 11 Dec 2008 11:52:12 -0500 I looked at the MediaLife article. Their question was like asking which do you prefer, Ford or Schwinn? Arbitron's PPM and the Nielsen diary are not competing services. It's amazing that only 84% preferred PPM.Jack MessmerExecutive EditorRBR/TVBR