Marketers are expected to waste $5.8 billion this year on buying online ads that will be viewed by bots instead of humans, a study found — an 11% decline from the amount the group estimated was lost to fraud in 2017. But ad-fraud schemes on other platforms have quickly risen and been much more difficult to measure, according to the study, which was conducted by the Association of National Advertisers and fraud-detection company White Ops Inc.
Read the article: The Wall Street Journal
