It's well established to have different rules in place for protecting children in terms of gathering their information and tracking their information. I think there's a huge challenge online in implementing that, because it's quite difficult, I think, in terms of people who navigate to a particular website to know how old the users are. You can require them to enter their birthdate, but again, that's not a particularly difficult hurdle to overcome—
On February 23rd, 2017. See this statement in context.