A former Facebook data scientist who became a whistleblower on her way out of the company last September is calling for more transparency and oversight of social media giants while arguing in favor of keeping the controversial Section 230 clause in place.

"It’s certainly true that social media is a natural monopoly because people look for social media networks that all their friends are on," Sophie Zhang told FOX Business Friday. "And that means that once there’s an established company, it’s really hard to introduce a competitor." READ MORE