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Katie Couric's Notebook: Sexting

Remember the days when phones were used for calling people?

Nowadays, cell phones are cameras, keyboards and Internet connections. A photo or text message can be forwarded instantly, or even posted online. Therein lies the problem for a growing number of teens.

According to a recent Pew poll, 30 percent of 17-year-olds have received explicit messages or photos on their phones and 15 percent of all teens have.

It's called sexting. A boyfriend or girlfriend may send an inappropriate picture it gets forwarded around - and ends up on Facebook, Twitter - or in the inboxes of classmates.

In an age when 75 percent of teens have cell phones, taking the device away isn't a practical solution. As a parent, you'll have to use a very low-tech tactic: talking.

Have a face-to-face conversation about the dangers of sexting. Tell them to always stop and think again before they click send.

That's a page from my notebook.

I'm Katie Couric, CBS News.