alt Hacker NewsI thought that most advertisers go through middlemen and do not do business with the ad networks directly? So you only have to make it attractive for the middlemen (of which there are fewer), and that shouldn't be a problem for anything AI-related.
Furthermore, anyone offering some sort of assisted browsing service is automatically in the ad business, regardless what they do with affiliate links in generated page summaries.
Oh yeah and on top of that these companies like WPP hate the fact that Google and Facebook refuse to share more information with them. They can't wait to jump ship.