Meta on trial: What happened on Day 1? Prosecution: Meta allegedly designed Facebook and Instagram to hook children, ignored evidence of harm and failed to remove millions of under-13 users Defense: Meta disputes the scale of underage use and the concept of social media addiction, pointing to safeguards including Teen Accounts First witness: Former employee Arturo Bejar says safety was often secondary and Instagram became 'a product that uses you' #anadolu #anadoluagency #meta #facebook #prosecution #arturobejar #markzuckerberg #trial