This is just the natural progression of society ...

Every generation becomes more open and apt to try "new things"

I feel this falls upon the parents to ensure that they discuss with there children how to be safe, its not just the bird and the bees talk anymore.

I had the talk with my Daughter when she was 13 when I handed over her first phone. I am pretty certain that at some point she sent out a pic or 2 of herself in some form or fashion. She was a smart girl with great self esteem, I really wasn't worried.