[Zak]

> we need to exercise collective wisdom on what social media does to children

You seem to be suggesting some sort of regulation. Since you weren't concrete and specific, I can't respond to that directly, but I urge you to keep in mind:

* Many things that are valuable to adults may be dangerous to children. Consider a kitchen knife, power tools or cleaning chemicals.

* With all the privacy concerns that are in the public eye lately, age verification, which is probably difficult to separate from identity verification, seems fairly unappealing.

[watwut]

Kids able to read and write enough for Facebook are remarkably safe around kitchen knife and cleaning chemicals. Teenagera are fully able to operate power tools.

[Zak]

Many, perhaps most are indeed. I think most teenagers are also able to use social media in ways that aren't harmful to them.

[watwut]

One difference is that while your safety around knife or tool depends only on you, your safety on social media can easily be ended by other people.

You don't have full control over social media you do have around cleaning and knives.