Air cargo, commonly known as air freight, is collected by firms from shippers and delivered to customers. Aircraft were first used for carrying mail as cargo in 1911. Eventually manufacturers started designing aircraft for other types of freight as well.
A consumer is  a person or organization that uses economic services or commodities. In economic systems consumers are utilities expressed in the decision to trade or not.
Definition of consumerism 1: the theory that an increasing consumption of goods is economically desirable; also: a preoccupation with and an inclination toward the buying of consumer goods â¦ the contemporary marketplace is shaped solely by the craven needs of lowbrow consumerism â¦ âThomas Byrne Edsall