Starting this week, a series of trials will test a new legal strategy claiming that Meta, TikTok, Snap and YouTube caused personal injury through addictive products.

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...