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Credit card market is worth $687 bln

10 largest issuing banks account for about 85% of the $687 bln credit card market. Meanwhile, credit card advertising spending has almost tripled to more than $1.

10 largest issuing banks account for about 85% of the $687 bln credit card market. Meanwhile, credit card advertising spending has almost tripled to more than $1.4 bln since 1999, according to TNS Advertising, as New York Times reports.