Meta CEO Testifies in Landmark Social Media Addiction Lawsuit

Zuckerberg defends company's practices as trial examines impact on young users

Published on Feb. 25, 2026

Meta CEO Mark Zuckerberg testified in a closely watched Los Angeles trial over allegations that social media platforms like Facebook and Instagram are intentionally designed to be addictive, particularly for young users. The lead plaintiff, a 20-year-old woman, claims she became addicted to these platforms as a child, leading to mental health struggles. Zuckerberg defended Meta's practices, saying the company tracks user time mainly to assess performance against competitors.

Why it matters

This trial could set a precedent for how courts view social media companies' responsibility for the well-being of young users. It comes amid growing concerns about the mental health impacts of social media, especially on children and teenagers.

The details

Zuckerberg was questioned about Instagram's users under 13, the company's strategies to increase engagement, and the use of beauty filters that could encourage plastic surgery. He acknowledged the challenge of enforcing the age limit, stating that 'a meaningful number of people' lie about their age to use the platform. Zuckerberg also addressed the reintroduction of beauty filters, saying the platform reinstated them to support freedom of expression but emphasized, 'we shouldn't create them ourselves or recommend them.'

  • The trial is unfolding in Los Angeles County Superior Court.
  • Zuckerberg testified on February 19, 2026.

The players

Mark Zuckerberg

The CEO of Meta, the parent company of Facebook and Instagram.

K.G.M. (Kaley)

The 20-year-old lead plaintiff who claims she became addicted to social media platforms as a child, leading to mental health struggles.

Mark Lanier

The attorney representing the plaintiff, K.G.M.

Meta

The parent company of Facebook and Instagram, which is defending against the lawsuit.

Google

The parent company of YouTube, which is also a defendant in the case.

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What they’re saying

“It's different than us trying to just increase time. Just us trying to see how we're stacking up in the industry.”

— Mark Zuckerberg, CEO, Meta (wkhm.com)

“We shouldn't create them ourselves or recommend them.”

— Mark Zuckerberg, CEO, Meta (wkhm.com)

What’s next

The trial is ongoing, and the judge will make a decision that could have far-reaching implications for how social media companies are held accountable for the impact of their platforms on young users.

The takeaway

This landmark trial is a crucial test of whether social media platforms can be held legally responsible for the mental health consequences of their design choices and algorithms, particularly when it comes to vulnerable young users.