It’s an uncertain Monday at Twitter because Elon Musk has taken over and started shaking things up. Last week, according to Bloomberg, he reassured employees that he did not plan to discard three-quarters of the staff, as he reportedly told investors earlier. But the self-described free speech absolutist has made no secret of his desire to make some personnel cuts, particularly around content moderation. Marketplace’s Meghan McCarty Carino spoke with Sarah Roberts, a professor and director of the Center for Critical Internet Inquiry at the University of California, Los Angeles, who also worked previously on Twitter’s health research team. She said that while content moderation is often framed as a political issue, it’s much more than that.

Warning: This interview references abusive online material involving children.