Meta CEO Mark Zuckerberg will testify Wednesday in Los Angeles Superior Court in a landmark trial over claims that social media platforms harm children — his first time answering youth safety allegations before a jury. The bellwether lawsuit, K.G.M. v. Meta Platforms, Inc., et al., was filed by a 20-year-old California woman identified by her initials. She alleges that Meta and other social media companies engineered their platforms to hook young users, fueling her depression and suicidal thoughts, and is s ...