UW Researchers, including TPL Co-Director Yoshi Kohno and TPL affiliate faculty Franziska Roesner, explain the many ways that online ads are different from traditional advertising that was intended to sell products, including how advertising on the web can also be a mechanism to deliver content, misleading in their form, and personalized in a manner that most do not realize. The researchers also compared the number of problematic ads on mainstream news sites to misinformation news sites with surprising results.