Sophie Zhang (USA 2021) - Facebook
- The Facebook loophole - Guardian 4/21258084
- Sophie Zhang (whistleblower) - Wikipedia258085
- How Facebook let fake engagement distort global politics: a whistleblower's account - Guardian 12.04.21258083
- Revealed: the Facebook loophole that lets world leaders deceive and harass their citizens - Guardian 12.04.21258087
- #SophieZhang258086