In e-Parenting Tutorial: Keeping up with your kids’ online activities, Alice, a witty and cyber-savvy mom, takes parents on a tour of the many different Web environments and activities that are popular with children and youth.
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.
Moral disengagement is used to describe the ways in which we convince ourselves to do something that we know is wrong, or to not do something we know is right. MediaSmarts’ research looked at the impact of four moral disengagement mechanisms:
How common young people think sexting is has been identified as one of the strongest factors influencing whether they send sexts.