The World Tonight

A California jury has found the social media giants Meta and Google liable for harming a young user's mental health by deliberately making their products addictive. We hear from a former Facebook employee.Also on the programme: amid talk of peace, many Iranians continue to flee their country. We hear from one who took part in January's bloody anti-regime protests.And: the BBC has a new director general. Will the appointment from the world of tech help the corporation navigate a changing media landscape?