A landmark legal battle began this week in a federal court in Oakland, California, as a coalition of more than 30 U.S. states launched a trial against Meta, the parent company of Facebook and Instagram. The plaintiffs allege that Meta knowingly engineered its platforms to be addictive, specifically targeting young users and contributing to a decline in their mental health and well-being.

The trial is projected to span six to eight weeks. During this period, the court is expected to hear testimony from high-profile witnesses, including Meta CEO Mark Zuckerberg and Instagram CEO Adam Mosseri. Additionally, the prosecution plans to call Arturo Béjar, a former Meta employee turned whistleblower, to testify regarding internal company knowledge of the potential harms posed to minors.

The core of the legal argument rests on the claim that Meta prioritized user engagement metrics over the safety of younger demographics. While the states argue that the company had full awareness of the risks its products posed to children, Meta has historically maintained that it provides tools to help parents manage their children's online experiences and that it is committed to creating age-appropriate environments. The outcome of this trial could set a significant precedent for how social media companies are held liable for the design choices of their platforms and their impact on public health.