While large-scale surveys have documented the types of media to which 5–9-year-olds are devoting increasing amounts of time, we know less about how and why they are using these media and what they might be learning as a result. This research provides rich details on the processes, relationships, and contexts that larger scale studies on children’s media use cannot by examining two 8-year-old girls’ engagement with video games, the Web, mobile devices, and other emerging technologies against the backdrop of family life.
According to this article there appears to be a difference between what teens and kids younger than teens prefer as far as social media platforms are concerned.