Ex-Facebook PM Frances Haugen comes forward as a key source behind Facebook Files, says she became increasingly alarmed by how profits came before public safety (Jeff Horwitz/Wall Street Journal)

Jeff Horwitz / Wall Street Journal:
Ex-Facebook PM Frances Haugen comes forward as a key source behind Facebook Files, says she became increasingly alarmed by how profits came before public safety  —  The former Facebook employee says her goal is to help prompt change at the social-media giant