For more than a year, the legal action in the Sarah Wynn-Williams affair ran one way: Meta against its former executive. That has now reversed.

Sarah Wynn-Williams, the author of the Meta memoir Careless People, is suing the company over its efforts to silence her, according to The Wall Street Journal. The woman Meta spent a year trying to keep quiet is now the one filing.

The backdrop is a gag order that has become a story in itself. On the day Careless People was published in March 2025, Meta filed an arbitration demand arguing that the book breached a non-disparagement agreement Wynn-Williams signed when she left the company.

An emergency arbitrator agreed, temporarily ordering her to stop promoting the book and to make no “disparaging, critical or otherwise detrimental” comments about Meta. The order came with teeth: fines of up to $50,000 each time she breached it.

The restriction produced one of the more striking images in recent tech-publishing history. At the Hay Festival in late May, Wynn-Williams sat onstage for a full hour in silence, seated between the journalist Carole Cadwalladr and the Columbia law professor Tim Wu, after her lawyers warned that any public word about Meta could trigger the fines.

The silence drew more attention than a speech would have. Sales climbed; the book had already debuted at number one on the New York Times nonfiction list and gone on to sell heavily.

What Wynn-Williams alleges in the memoir is wide-ranging, and it remains her account rather than established fact.

The book levels claims of misconduct and sexual harassment by senior figures at the company, and asserts that Meta was prepared to cooperate with Chinese censorship tools in its long effort to enter that market, allegations Meta disputes.

She has separately filed a whistleblower complaint with the US Securities and Exchange Commission making related claims about the company’s dealings with China.

Meta’s position throughout has been contractual. The company says Wynn-Williams signed a severance agreement in 2017 that included a non-disparagement clause, and that it is simply enforcing terms she agreed to.

It has characterised her departure as a firing for poor performance and what it called toxic behaviour. Wynn-Williams maintains her 2017 dismissal was retaliation for reporting a senior executive, Joel Kaplan, now Meta’s chief global affairs officer, for sexual harassment, a characterisation Kaplan and the company reject.

The dispute has drawn political attention on both sides of the Atlantic. Senator Chuck Grassley, the Republican chair of the Senate Judiciary Committee, wrote to Mark Zuckerberg over the allegations that the company had worked to silence her, and a UK politician argued she was being pushed toward financial ruin by the accumulating arbitration exposure.

That financial pressure is part of what makes the new suit notable: the person facing $50,000-a-breach penalties is now the plaintiff.

What is already clear is the shape of the thing. A non-disparagement clause meant to end quietly has produced a bestseller, a Senate letter, a silent festival appearance, and now a lawsuit. Meta tried to make the story stop. It has instead acquired a second act.