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Those YouTube ads everyone hates made $10.4 billion in just three months
(www.pcgamer.com)
This is a most excellent place for technology news and articles.
I'm an admin in Google Ad Manager for a few hundred sites. Saying that to say I've read a lot of their documentation. They have a great graph showing this very concept. Less ads, less money, happy users. More ads, more money, unhappy users. They're aware. They aren't pouring the poison. They're designing the pitcher and selling different size cups.