Credit cards have become such a familiar feature of the life style in the world that it is difficult to imagine a consumer economy functioning without them. The credit cards are nowadays the most convenient of all types of payments. The boom of the credit card industry has affected everyone in the world of the "plastic money". That was the name given to the credit card right after it was invented. Nowadays, the "plastic money" occupies a very important place in the economy of the country. "Settlements indicates that the number of credit cards in circulation increased 34 percent between 1988. The data also show that the value of credit card transactions increased 98 percent during the same period" (Yoo, p.s.1997). A lot of reasons explain the fact that the credit cards are holding the most important place in the wallet and purses today. Behind these reasons , is hiding a crucial social phenomenon that has very bad consequences in the country, credit card abuse. Despite the measures taken by the officials, statistics prove that the number is increasing everyday.

             Today, Visa and Master card occupy an important place in the credit card marketplace but the pioneer in the business remains to be Diners Club.

             In 1949, as the luncheon tables were cleared at the Major"s Cabin Grill, a popular New York restaurant of the period whose location next door of the Empire State Building was then a considerable asset, three men sat huddled over a prime table off to one side . In their excitement, they called over Major, the proprietor and asked him how much he would pay for business that he would not ordinarily get. Without flinching, Major replied "7 percent" , number that established a major industry (Lewis, 1990).

             ` Those three men were Alfred Bloomingdale, Frank Mc Namara and Ralph Snyder. They conceived a plan for a new type of credit card. Unlike the retail and gas credit cards, which were restricted in use to those industries, theirs would be "universal" card that allowed its holders to purchase goods and services at different places across the country.