Interesting. Why? The data is much less valuable: Because while we can make an informed decision about putting our own data into such a service, weighing up th

Interesting. Why? The data is much less valuable: Because while we can make an informed decision about putting our own data into such a service, weighing up the risks and benefits, a four year old cannot - a parent is making that decision for them, and when you are making such a decision on behalf of someone else it behooves you to act more conservatively than when deciding on your own behalf.