When we speak of money in today's society, it has taken on many forms. From the days of farmers trading their crops today's electronic, debit or credit card transfer and many forms in between. Our ancestors didn't use money to buy goods from each other, instead they used barter, which is an exchange of personal goods of value for what they needed or wanted from someone else.

The earliest form of exchange from around 9,000 BC was livestock, then came the crops, when farmers would trade a bushel of one item for a bushel of another of equal value.

As society became more complex it became more difficult to find someone with exactly what you needed or was willing to take for what you were offering and to agree on the worth of each item. Out of this complexity and as trade flourished money came into use.

The term currency, another word for money, became a means of exchange. With this means of exchange, buying and selling didn't have to happen at the same time, each could wait until they had accumulated money and were ready to make an exchange.

It's hard to imagine how our ancestors made exchanges in early history, compared to today's means of exchange, with the use of credit cards and now the electronic money or digital money mostly used over the internet. Most often digital or electronic money is used to pay for goods and services where as the buyer of a product authorizes the seller to contact the issuing bank to transfer funds for payments.

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Irene V. Jones