Chris Hughes was surprised when Internet merchant PayPal rejected his credit card last week, but was even more surprised when he found out why. PayPal's credit card verification service, Cybersource Corp., indicated Hughes was a high risk because he had used . . .
Chris Hughes was surprised when Internet merchant PayPal rejected his credit card last week, but was even more surprised when he found out why. PayPal's credit card verification service, Cybersource Corp., indicated Hughes was a high risk because he had used 10 different credit cards at various Internet sites during the past several months.

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