Oh now I know why every day the debris are being collected in large volume. The manufacture is so big the genius mind . Thanks to all the comment it verified that people see things as they are. But I think it differently.

Smile is the gesture that human learn before they can express them self with word and it is the expression of unknowings and warm.So I think the smile is the first gesture towards friendship and friendship does not create boundaries like business calculating loss or gain.