what about all the people who don’t express their politics so clearly? How do you sell political stories to them? Many of them are probably moderates, because most people in America are. And they’re a lot harder to figure out. For each one, the Facebook machine would need a much more sophisticated algorithm to analyze their friend network, movements, zip code, the words they use, and the news sites they visit. It’s a lot of work, and it’s less profitable. Moreover, after all the work, it’s still not a sure thing, because each bucket of moderates to sell to advertisers is based not on direct
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