If you pay for advertising in Google, Facebook, Microsoft Advertising, and so on, there are lots of hidden settings. Whether these ad platforms are intentionally fooling you or they're just bad design, nobody knows. But you will pay for useless ads. This is big money. Ad fraud in text and display ads may range from 40 to 80 billion dollars per year. Programmatic advertising will reach 300 billion dollars in 2021 and as much as 90% is fraud. A few...