AdvertisementSKIP ADVERTISEMENTYou have been granted access, use your keyboard to continue reading.A jury found the companies negligent in their app designs, harming a young user with design features that were addictive and led to her mental health distress.Meta’s chairman and chief executive, Mark Zuckerberg, at Los Angeles Superior Court last month.Credit...Mark Abramson for The New York TimesCecilia KangRyan Mac and Eli TanCecilia Kang reported from Washington, Ryan Mac from the California Su...