“…The past years have seen a growing interest in adolescents' behavior on social networking sites (SNSs) (e.g., boyd, 2007;Lenhart, Purcell, Smith, & Zickuhr, 2010;Livingstone, 2008;Livingstone & Brake, 2010;Shafer, Bobkowski, & Brown, 2013). In particular, adolescents' sexual behavior on SNSs, in the form of visual sexy self-presentation, has received increasing attention by scholars (e.g., Crescenzi, Araüna, & Tortajada, 2013;Kapidzic & Herring, 2015;Moreno, Parks, Zimmerman, Brito, & Christakis, 2009).…”