TEENS & SEXTING: What are teenagers doing on their cellphones? According to a new study, over 25% of them -- are sexting. And 60% have been asked to sext. It has one local school district so concerned, they're showing kids the dangers of sexting - a lesson many adults could use. Naked pictures ave a way of getting beyond just the one person you send them to. Do you sext? And do you think twice about it?