"According to research by Porn Harms, a US organisation, the average age of children's exposure to Pornography is 11, but parents and professionals are dealing with exposure issues of children much younger."
This may prove a more effective regulating system than filtering. It certainly demonstrates that Facebook is conscious of its public image and the possibility of illegal behaviour on its site.
Friedman identified a problem that education systems are only now beginning to wrestle with. Life is largely lived online, and schools do not prepare children for it.
It's not just about keeping them safe from predators, cyberbullies, porn and identity theft: it's also about having an ethical framework, and the skills to assess the reliability of information.