If you're looking for a general starting point, I can recommend some popular research papers or articles on the topic of adolescent development or young adulthood. For example:
The landscape of "teen media" has shifted from the polished, hour-long dramas of the 2000s to a fast-paced, creator-led ecosystem dominated by short-form authenticity and niche community building. 1. The Death of the "Monoculture" little teen xxx hot