Related by context. Frequent words. (Click for all words.) 71 Neilsen 66 Nielson 62 Nielsen Media 56 AC Nielsen 54 Nielsen NetRatings 51 ComScore 49 comScore 48 Hitwise 47 comScore Networks 47 ACNielsen 47 Arbitron 46 Synovate 44 viewership 44 Rasmussen 44 viewing habits 43 comScore Media Metrix 41 Petersen 40 TNS Media 40 Gallup 40 Lundberg 40 TNS 39 Christiansen 39 Hansen 39 advertisers 39 eMarketer 39 Schofield 39 Jensen 38 Rentrak 38 Larsen 38 Knowledge Networks 38 viewers tuned 38 Selzer 38 Jorgensen 38 Nyberg 38 Beck 38 Thomsen 38 JupiterResearch 38 Neilson 37 Pew 37 Knutson 37 Millward Brown 37 Norby 37 Kohler 36 Ratings 36 Forrester 36 Barna 36 Hanson 36 Harris Interactive 36 Opinion Research 36 McKinsey 36 Mindshare 36 Lund 36 NPD Group 36 Ad Age 36 Technorati 35 Burrill 35 Svendsen 35 viewers 35 Flemming 35 Advertising Age 35 Interactive Advertising 35 GfK 35 Lewin 35 Lindstrom 35 Andresen 35 Kaiser Family 35 Berglund 35 Larson 35 Carlson 35 Berg 35 Ipsos Reid 35 BIGresearch 34 Omniture 34 Nygaard 34 ShopperTrak 34 Holst 34 Olson 34 Census Bureau 34 Sorensen 34 Johnson 34 Erickson 34 Advertisers 34 Kruse 34 Starcom 34 #.#/# [013] 34 Schmidt 34 Mintel 34 WebSideStory 34 IAB 34 Wilke 34 Hartman 33 Bain 33 Hulu 33 Zillow 33 WebTrends 33 Tollefson 33 AdMob 33 Haack 33 Screen Digest 33 Hamblin 33 ACSI