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by staplung 1949 days ago
Probably not exactly the presentation you mention but Freakonomics explored the issue of advertising effectiveness in a 2 part series. Part 2 is about online ads. The picture it paints is pretty bad.

https://freakonomics.com/podcast/advertising-part-2/

One thing I was hoping they'd explore was whether any of the recent companies that participated in the fb ad boycott realized afterward that the advertising dollars were not really working for them.