From the store's point of view, this scheme may save them most of the credit card company's fee, which can be several percent.

从商店的角度来看，这项计划可节省他们的信用卡公司的费用，可能是几个百分点。

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Bank of America's "Keep The Change" credit card scheme generated 2.5 million new, and presumably happy, customers.

CNN: The Spirit of Design: Designing the Perfect Consumer

That scheme involved the purchases over the Internet of stolen credit card from sellers believed to be located in Russia.

FORBES: UPDATE:Credit Card Identity Theft From Russia (And Not With Love)