https://www.eastbaytimes.com/2023/11/07/a-meta-engineer-saw-his-own-child-face-harassment-on-instagram-now-hes-testifying-before-congress/

By BARBARA ORTUTAY | AP Technology Writer

On the same day whistleblower Frances Haugen was testifying before Congress about the harms of Facebook and Instagram to children in the fall of 2021, a former engineering director at the social media giant who had rejoined the company as a consultant sent an alarming email to Meta CEO Mark Zuckerberg about the same topic.