Philosophers, bless them, are trying to understand how normal people think about morality.

Normal people, as you may have heard, hang out on the internet. And what is the internet’s biggest trove of everyday moral dilemmas? Why, it’s Reddit’s “Am I the Asshole?” forum!

So, why not comb through millions of comments there to find out how people make moral decisions?

This might sound like a joke, but it’s actually been the past four years of Daniel Yudkin’s life. As he was doing a postdoctoral fellowship at the University of Pennsylvania, Yudkin thought about how moral psychology and moral philosophy — his fields of research — mostly focus on hypothetical, contextless scenarios involving strangers.

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