Do You Think Amazon Is a Monopoly?

How guaranteed is it that the face books, amazons and alphabets of the world will still be the most dominant companies in the world in, say, five or ten years? Or could it be that overtime, some of the experts they have does get distributed like you'de described. So this gets to a question. You know, tracy said at the beginning, there's always a concerns anti trust a regulation. What is your view on setting aside the regulatory concerns per se? And looking tenurs, i don't think anything happens to either facebook or apple or gogle - nothing happens.