Examlex
Which technological innovation changed news by allowing messages to be more tailored and narrowed to specific groups?
Barter
Trading goods and services directly without involving money as an intermediary.
Barter System
An ancient method of exchange where goods and services are directly traded for other goods and services without using money.
Good
A material item that can be touched, used, or consumed, which is produced to fulfill wants or needs.
Service
A type of economic activity that is intangible, is not stored, and does not result in ownership; services are produced and consumed at the same time.
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