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  1. Sophie Zhang is an American data scientist and whistleblower who formerly worked at the Facebook Site Integrity fake engagement team, created to deal with bot accounts, often controlled by authoritarian governments' entities.

  2. Jul 29, 2021 · Sophie Zhang, a former data scientist at Facebook, revealed that it enables global political manipulation and has done little to stop it.

    • Karen Hao
  3. Oct 11, 2021 · Sophie Zhang, who said she felt like she had “blood on her hands” after working at Facebook, is willing to testify before Congress about her former employer, she told CNN Sunday.

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  5. May 17, 2021 · Sophie Zhang worked as a Facebook data scientist for nearly three years before was she fired in the fall of 2020. On her final day, she posted a 7,800-word memo to the company’s internal forum — such farewell notes, if not the length, are a common practice for departing employees.

  6. Apr 12, 2021 · Sophie Zhang detected networks of fake accounts supporting political leaders around the world. Photograph: Jason Henry/The Guardian. The inside story of Sophie Zhang’s battle to combat rampant...

    • Julia Carrie Wong
  7. Jul 26, 2021 · In September of 2020, data scientist Sophie Zhang posted an internal farewell memo after being fired from Facebook. Her memo, first reported on by BuzzFeed News, detailed what she found online while working on the “Facebook Site Integrity fake engagement team.”

  8. Oct 18, 2021 · W hile appearing before a committee of lawmakers in the British parliament on Monday, Facebook whistleblower Sophie Zhang, a former data scientist for the company, testified that the...

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