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Tech Executives Testify as Social Media Addiction Trial Continues in Los Angeles

2026-02-12

The BareStory

A landmark civil trial is underway in Los Angeles Superior Court, where Meta and Google face allegations that their platforms were designed to addict young users. The lawsuit, brought by a plaintiff identified as K.G.M., claims the tech giants utilized specific design features to maximize youth engagement and knowingly exploited minors' need for social validation.

On Wednesday, Instagram head Adam Mosseri testified regarding the company's safety practices. While acknowledging that "problematic usage" of the platform is possible, Mosseri distinguished this behavior from clinical addiction. During questioning by the plaintiff's attorney, Mark Lanier, regarding internal emails from 2019 that debated the safety of digital filters simulating plastic surgery, Mosseri stated that protecting minors serves the business's long-term interests. He further testified that he had seen no data linking the use of such filters to increased advertising consumption.

Lanier argued that the companies employed tactics similar to those used by the casino and tobacco industries to ensure users found it difficult to disengage. In response, Meta’s legal team contended that the plaintiff’s mental health struggles were caused by independent factors, including family issues, bullying, and body image concerns. Defense lawyers argued the jury must determine whether the platform was a "substantial factor" in the plaintiff's alleged harm, citing her continued use of social media as recently as 2025.

The trial is considered a bellwether for approximately 1,600 related cases nationwide involving similar claims of addiction, depression, and anxiety. While the original lawsuit included TikTok and Snap as defendants, both companies have reportedly settled. Legal experts suggest the verdict could influence future regulations and design standards for social media platforms.

Left Perspective

  • Exposing Predatory Architecture
  • Piercing Corporate Deniability
  • Enforcing Regulatory Guardrails

Right Perspective

  • Demanding Causal Precision
  • Validating Market Incentives
  • Preserving Individual Agency

How it may affect me

As a U.S. reader:

• The outcome of this bellwether trial will determine the legal viability of approximately 1,600 similar lawsuits, potentially establishing a precedent for how mental health claims involving addiction and anxiety are litigated against technology corporations.

• If the court sides with the plaintiff's argument regarding predatory architecture, users could see a shift in social media design standards, specifically regarding features like digital filters and algorithms intended to maximize engagement.

• A verdict favoring the defense would likely maintain the current market standard where independent factors such as family dynamics and bullying are viewed as the primary causes of youth distress, keeping the burden of oversight on parents rather than platforms.

• Regardless of the specific verdict for Meta and Google, the prior settlements by TikTok and Snap suggest that social media companies may voluntarily alter their platforms to mitigate the risk of future litigation regarding user safety and design.

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