Sexting is the act of sending sexually explicit messages or photographs, primarily between mobile phones. The term was first popularized in early 21st century, and is a portmanteau of sex and texting, where the latter is meant in the wide sense of sending a text possibly with images.
Sexting, It's like the new-aged way to have "phone sex" & if you don't have a webcam for "cyber sex" this is the next best thing! But, be careful!! In a matter of minutes, that one picture can be sent to hundreds/thousands of people- embarrassing you for a long time. Look at all the celebrities that sexted a picture, and it ended up all over the internet & in a football players case, landed him in a LOT of trouble!!
I don't condone young people like in HS or even younger because apparently teens in MIDDLE school are sexually active these day which scares me let alone for them to be sexting. Because we all know young girls & boys like to torment each other and before you know it, it ends up going all over the school embarrassing the people to the point of suicidal thought/actions.
& I don't think even adults should do it unless their in a long term committed relationship because you never want pictures of you to be sent to everyone on the planet. look at pete wenz from fall out boy, he sexted a picture once and it ended up ALL over the internet!! same with miley cyrus among many other stars.
But in a committed relationship, i think sexting is hott & can help some couples who struggle with telling each other what they want in the bedroom alloud.
Sometimes i think people tend to express themselves more in typing/texting because it's is easier for people to hide behind a screen then to tell their partner in the sheets, "no, do me from behind and pull my hair."
I think that people tend to get shy and scared to ruin a moment in the sack. But if you can't find a way to tell your partner your likes & dislikes, then your sex life could probably improve by A LOT in my opinion.