Meta and YouTube have been found liable in a lawsuit brought by a 20-year-old and her mother who accused the companies of intentionally designing addictive platforms that she says caused her develop anxiety,

A California jury found Meta and YouTube liable for designing addictive apps that harm children, awarding $6 million in damages.

The verdict hands plaintiffs in more than a thousand similar pending cases significant leverage -- and signals to the broader tech industry that juries are prepared to hold social media companies acco...