Opening statements in a trial brought by 29 states against Meta begin August 18 in Oakland federal court, with allegations that Facebook and Instagram were designed to be addictive to minors and that the company misled users about safety and data practices. The case, presided over by U.S. District Judge Yvonne Gonzalez Rogers with an advisory jury, seeks up to $1.4 trillion in damages and is expected to include testimony from Mark Zuckerberg and Adam Mosseri. Core facts about the parties, venue, and claims are consistent across available reporting.