One morning in February, Mark Lanier woke up after four hours of sleep and started preparing to cross-examine one of the wealthiest people in the world: Mark Zuckerberg . His team had worked through the night, preparing material for the day ahead that he could then review in the hours before court, all with the help of AI. Lanier, a nationally known Texas trial lawyer with a reputation for taking on major corporations in high-stakes trials, was representing the plaintiff in a landmark social