It’s only recently that research has paid attention to the role of witnesses in bullying scenarios, and few studies focus specifically on witnesses. What research has been done has shown that witnesses can be just as important as targets or perpetrators in determining how a bullying scenario plays out and that witness
Typically, youth sexting occurs in three contexts: in lieu of sexual activity for younger adolescents who are not yet physically sexually active; to show interest in someone a teen would like to date; and, for sexually active youth, as proof of trust and intimacy.
There is little evidence that sending sexts is by itself a risky act: for example, one study done with American university students found that many reported positive experiences. 
Studies about the gendered aspects of sexting consistently show that while little criticism is attached to boys who send sexts, girls who do so are perceived as being sexually immoral: girls who sext are seen as using their sexuality to get public attention, while boys – even if their sexts become public – are assumed to be doing it only to get the attention of one prospective partner. 
Parents, schools and law enforcement agencies are grappling with how best to respond to this issue. In the United States, sexting amongst youth has resulted in teens facing child pornography charges.
Intended for girls in grades 7-9, Half Girl, Half Face explores many of the online image issues teenage girls may encounter when they use digital media – particularly social networks.
Understanding the connected world of kids and teens can be challenging for parents because adults don’t communicate online in the same way and are not necessarily using the same social media. Even more challenging is the reality that there’s always something new coming around the corner.