For a year or two in the early 2010s, a certain genre of cheesy, irresistibly uplifting headline was unavoidable on Facebook. You know the trope – someone died in an inspiring way, a potentially bad situation led to an unlikely friendship, a dog saved someone’s life. Followed, almost always, by “You’ll never believe what happened next.” It was a sure bet to make content go viral, and traffic-hungry publishers flooded Facebook with curiosity-gap headlines.

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