This precedent does exist in the form of something called MRC accreditation[1], named after the Media Ratings Council[2]. There are media buyers (and the respe

This precedent does exist in the form of something called MRC accreditation[1], named after the Media Ratings Council[2]. There are media buyers (and the respective advertisers that they represent) that will refuse to be billed for media delivered via non-accredited platforms[3]. Facebook did feel some pressure after reports of inflated counting of video ads, then in response agreed to a third party audit (to become MRC accredited)[4]. It seems like they might be in jeopardy again[5]? Pinterest is currently in the fire for this as well[6]. 1: http://www.mediaratingcouncil.org/Accredited%20Services.htm http://www.mediaratingcouncil.org/Accredited%20Services.htm 2: http://www.mediaratingcouncil.org/ http://www.mediaratingcouncil.org/ 3: https://www.iab.com/news/pg-accept-mrc-validated-viewability-standard/ https://www.iab.com/news/pg-accept-mrc-validated-viewability... 4: https://www.adexchanger.com/ad-exchange-news/tuesday-05052020/ https://www.adexchanger.com/ad-exchange-news/tuesday-0505202... 5: https://www.adexchanger.com/platforms/facebook-slowly-embraces-mrc-agrees-independent-audit/ https://www.adexchanger.com/platforms/facebook-slowly-embrac... 6: https://digiday.com/marketing/media-rating-council-denies-accreditation-for-pinterests-video-ad-measurements/ https://digiday.com/marketing/media-rating-council-denies-ac...