Scientists Used Redditors as AI Test Subjects—Without Telling Them

What if your mind was changed online—not by a person, but by a machine pretending to be one?

That’s exactly what happened in a now-controversial experiment conducted by researchers at the University of Zurich, The Atlantic reported. Over four months, more than 1,000 AI-generated comments were posted in r/ChangeMyView, a popular Reddit forum where users debate social issues and give out points to posts that successfully shift their opinion. The catch? The Redditors had no idea they were part of an academic study...