@abge, others,
A fair point, I think, about it being more tied to phones. I actually thought for close to a full minute about calling the thread "Technology and kids" or something, but decided that (a) that would just cause confusion and (b) I should just call it what the article called it and see where people went.
That does suggest at least one possible solution, too, though I doubt it would be a popular one -- don't give your kids a camera phone.
@ghug, others,
Yes, people have always had an interest in sex, including when young. No, 11 and 12 year old boys have not always been pressuring 11 and 12 year old girls to have sex with them in large numbers. (That's not to say this is the first time in history when it's happened, but it wasn't happening in the UK 60 years ago, or even more recently). (Note I said "in large numbers.")