Fifteen percent of US teenagers aged 12 to 17 who own mobile phones have received nude（裸体）or nearly nude images of someone they know, according to a survey released on Tuesday.
Only four percent of mobile phone-owning 1 in that age group have sent sexually suggestive pictures of themselves, a practice known as "sexting," 2 the Pew Research Center’s Internet & American Life Project.
The Pew survey found that girls and boys were equally as likely to have sent a suggestive picture to 3 and 4 teenagers were more likely to have engaged in "sexting."person
