Parents from the United Kingdom (L) Mariano Janin (C), and Ellen Roome Cheltenham arrive holding photos of their children who took their own lives outside the Los Angeles County Superior Court in Los Angeles, on February 11, 2026. Arguments began February 9 in a landmark US trial that could establish a legal precedent on whether social media companies deliberately designed their platforms to lead to addiction in children. The case in Los Angeles Superior Court is being seen as a bellwether proceeding because its outcome could set the tone for a tidal wave of similar litigation across the United States. (Photo by Frederic J. Brown / AFP via Getty Images)