I bet the little robots act as platforms for individual boxes. Little mobile conveyor belts. When all of the products are relatively large boxes that can be sta

I bet the little robots act as platforms for individual boxes. Little mobile conveyor belts. When all of the products are relatively large boxes that can be stacked you don't really have to pick things up. That is the big difference between individual customer fulfillment. Amazon has to pack a bunch of odd shaped items. When everything goes comes in and goes out on pallets you know all the components are pallet friendly. It is a nice niche to be in.