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Instagram chief defends youth protections in California addictive-design trial

By Mike Swift ( February 12, 2026, 04:03 GMT | Insight) -- Instagram chief Adam Mosseri testified for over five hours in a Los Angeles trial Wednesday over alleged addictive social media design, facing tough questions about whether Meta prioritized growth over youth safety. Mosseri’s testimony highlighted internal debates over beauty filters despite mental health warnings in 2019, with questions by plaintiff lawyer Mark Lanier suggesting Mosseri, Mark Zuckerberg and other executives weighed growth against wellbeing risks before adopting a limited ban.Instagram chief Adam Mosseri spent a full day on the witness stand in Los Angeles Wednesday, fielding questions in the social media addictive design trial over whether Meta Platforms prioritized global engagement — and therefore profits — over young users’ mental health....

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