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Companies focused on electronic commerce began more than two decades with the introduction of electronic data interchange (EDI) between trading firms (sending and receiving of orders, delivery and payment information, etc.) Even the consumer-oriented e-commerce also has a long history: every time you use an ATM or have a credit card, you are placing an electronic transaction. EDI and ATM, however, operate in a closed system is a more convenient means of communication strictly between the parties involved. |
