AT&T, Google Among The Biggest Online Advertisers — comScore | TechCrunch

AT&T, Google Among The Biggest Online Advertisers — comScore | TechCrunch: For example, comScore found that 31 percent of ads in the study were delivered but never seen by consumers, presumably because people scrolled past before the ad loaded, or because they never scrolled down to see the at in the first place. comScore also found that 72 percent of campaigns ran at least some ads next to content that the advertisers said was not “brand safe”.