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This is fundamentally misunderstanding how internet advertising works: advertises will pay higher CPM for precise targeting and attribution publishers want the best CPM they can get adtech uses as many tricks as possible to get as much information as possible about a user so they can maximize the CPM the advertiser will pay Publishers just end up doing what ever their adtech partners tell them will give them the best…
Haha, no. You're falling for the trick, or maybe you're just 10 years behind. Publishers (and retailers, and anyone with a dataset) seek out adtech partner companies, to justify high CPMs and to sell their audience data . Adtech companies are market-makers, it's been years since the data they can get independently of supply-side partners was worth shit. The publisher is the one with the cookie warning and consent for…
You're correct, for large publishers ... I guess we could almost say they are adtech companies now.