“Targeted advertising remains an important part of the free web browsing experience. … However, given the wide use of advertising, this also enables using ads as a vehicle for problematic content, such as scams or clickbait. … In this paper, we study Facebook—one of the internet’s largest ad platforms—and investigate key gaps in our understanding of problematic online advertising. … We categorize over 32,000 ads collected from this panel (n=132); and survey participants’ sentiments toward their own ads to identify four categories of problematic ads.”

Read the paper and see the full list of authors in ArXiv.