The worst, dumbest outcome (and therefore the one likeliest to be true, by the iron law of 2019) is if Facebook advertising doesn't actually work for anything except politicshttps://twitter.com/JWMason1/status/1194995274323779584 …
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If the mechanism is reinforcement of existing beliefs through social ties (for example), then you would expect it to work preferentially for politics
Are political campaigns smart enough to accomplish that? Do you think you personally have been influenced by political ads on Facebook or are only older or less sophisticated people at risk?
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