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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 person and 4 teenagers were more likely to have engaged in sexting.
Eight percent of 17-year-olds with mobile phones have sent a sexually provocative（刺激的） image 5 texting and 30 percent have 6 a nude or nearly nude image on their phone.
Only four percent of 12-year-olds have sent suggestive images of 7 .
Amanda Lenhart, a senior research specialist at Pew and the author of the report, said sexually suggestive images have become a 8 of
elationship currency for teens.
These images are 9 as a part of or instead of sexual activity, or as a way of starting or 10 a relationship with a significant other, she said. And they are also passed 11 to friends for their entertainment value, as a joke or for 12 .
The desire for risk-taking and sexual exploration during the teenage years 13 with a constant connection via mobile devices creates a 'perfect storm' for sexting, said Lenhart.
Teenagers have always grappled with issues around sex and 14 , but their coming-of-age mistakes transgressions have never been so easily 15 and stored for others to see, she added.
The survey found that teens with unlimited text messaging plans were more likely to receive sexts 16 images of people they know. About 75 percent of mobile phone owning teens have unlimited plans.
Among this group, Pew said 18 percent reporting receiving sexts 17 with eight percent of teens on 18 data plans and three percent of teens who pay per message.
According to Pew, 58 percent of 12-year-olds own&nbs
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