In a recent session at Florida Atlantic University, Hinduja warned students to lock down their privacy settings and resist the urge to put profanity-laden rants and drunken keg stand pictures on their profiles.

The practice of sexting—using a mobile device to send out explicit photos—has become mainstream, with more than half of college students acknowledging they’ve sent or received such an image, according to a recent University of Rhode Island study.

Hinduja conducted a study on sexting at middle and high schools and found that 13 percent of children aged 11 to 18 had received a naked or semi-naked photo of someone from their school. Nearly 8 percent admitting sending a photo.

Hope Witsell, 13, suffered from vicious bullying after a suggestive photo she texted to a boy got out at her middle school, according to the St. Petersburg Times. She hanged herself in 2009.

In a high school outside of Milwaukee, at least 31 male students reported they were seduced into sending naked photos of themselves after receiving a Facebook request from a pretty young girl.

But it wasn’t actually a girl. On the other end was an 18-year-old named Anthony R. Stancl, who threatened to expose the photos if they didn’t have sex with him. He was sentenced last year to 15 years in prison.

Sexting has also has led to child pornography convictions in Florida.

The most famous happened four years ago when Phillip Alpert of Orlando, who had just turned 18, forwarded naked pictures of his 17-year-girlfriend to her family and friends after an argument. He is now a registered sex offender.

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