By bizn_fun 
TikTok and Snapchat, which had also been named in the lawsuit, settled shortly before trial was scheduled to begin. Terms of the settlements were not disclosed.
Lawyers for K.G.M., who started using Instagram and YouTube as a child, have accused social media firms of working to addict young users, despite being aware of risks to mental health.
Zuckerberg, who arrived at court with an entourage of security and associates, is expected to face questions about Instagram’s design and what changes the firm made over the years in order to keep people hooked.
Meta’s advertising-based business model, which depends on metrics such as how long people stay on the platforms, is also likely to be in focus.
Bereaved parents were among those in the courtroom to watch the proceedings.
In questioning last week, Adam Mosseri, the head of Instagram, challenged the idea of social media addiction, arguing that even 16-hours of Instagram use in a single day did not show an addiction.