A pivotal trial has commenced in California where US states are suing Meta, the parent company of Facebook and Instagram. The lawsuit alleges Meta knowingly designed its platforms to be addictive to young users, impacting their mental health. This legal battle could lead to significant changes in how popular social media apps are designed and operated. States are presenting arguments that Meta prioritized profit over the wellbeing of children and teenagers. The outcome of the trial may force Meta to alter features and implement safeguards to protect young users. This case represents a major challenge to the social media giant and could set precedents for further regulation of the industry. The trial is expected to be lengthy and closely watched by lawmakers, parents, and tech companies alike.