Your second model of advertising ("humans may not be as complicated") is how advertising worked for thousands of years, and how it continues to work today. Even

Your second model of advertising ("humans may not be as complicated") is how advertising worked for thousands of years, and how it continues to work today. Even for Google and Facebook, the vast majority of ad spend is not narrowly targeted. What you call "Ads 1.0" is a snakeoil fad and isn't successful in the industry. The reason the big Internet giants collect user data isn't really for advertising (that's only a justification), they do it to have leverage when dealing with nation-states and governments. t. Working in the ad industry for the last 17 years.