<ul data-eligibleForWebStory="true">Meta and ByteDance, parent companies of Instagram and TikTok, face lawsuit over the death of a teenager linked to dangerous subway stunt.Zackery Nazario, 15, died while attempting the stunt influenced by videos of risky online challenges viewed on social media.A New York state judge ruled that the mother can proceed with the lawsuit, alleging the companies actively promoted such content.The case raises concerns about social media's impact on teens and could set a precedent for holding platforms accountable for the content they show.