> but one of the more impressive things about the ad ecosystem is that it works without advertisers and publishers trusting each other. I can sell the space on my site and advertisers don't need to figure out how much to trust me in particular.

For a person who worked in ads you are surprisingly oblivious to how both Facebook and Google defrauded advertisers and publishers.

- Facebook Lied About Video Metrics and It Killed Profitable Businesses https://www.ccn.com/facebook-lied-about-video-metrics/

- Google Hit With $268 Million Fine Over Unfair Ad Practices https://gizmodo.com/google-hit-with-268-million-fine-over-un...

Ad industry should burn in the fires of hell.