.AdolescentsuseSNSinavarietyofways.Theydisclose personal information about their identities and tastes on their profiles (Livingstone, 2008). Teenagers must also add or reject friend requests from their peers, navigating the complicated web of friendship practices (Ito et al., 2009). Finally, the interactions and feedback that one’s network provides in SNS—through wall posts and comments—show how complex social identity and peer influence processes occur in these online communities