More efforts are underway to limit social media. How do you separate good from bad?

Alarm bells have been going off for some time about the harmful effects of social media on young people, everything from cyber bullying to body shaming to online predators and more.

This year, at both the national and state levels, educators and lawmakers have been trying to convert their concerns into action.

Is any of this going to work? Could it have unintended consequences? And is it overkill at a time when cellphones are often used in the classroom?