satellites, it is computerized. great stat to me was that even for the trips across the pacific they take a number of weeks. they get them into port within a half hour. it requires a lot of just in time kind of management. i wonder are we expose something weaknesses in the system here? >> we are exposing weaknesses in the just in time model. no question about that. i think it is important to point out that when something happens, that has never happened before, it means that that thing might not happen that exact same way again. this might not be a new normal. it might be something truly extraordinary. one reason it is extraordinary, we mentioned a lot of important factors, the containers, the trucker shortage, the rail that is backed up. look at consumer demand. if you look at the demand for hard goods, the kinds that tend to be shipped overseas, it has soared in the last three months. americans are buying a lot more exercise equipment and televisions, cars, the demand for that stuff has gone berserk