Jury selection is set to start in a trial over whether Meta, TikTok and YouTube fuel excessive social media use by children in ways that harm their mental health.

TikTok reached an agreement late Monday to settle a lawsuit over claims that social media companies had engineered their products to hook young users, avoiding the first in a series of landmark trials...

The case being heard in a California state court in Los Angeles is being called a "bellwether" proceeding because its outcome could set the tone for a tidal wave of similar litigation across the Unite...