Stick in your credit card or some cash, and the machine will swap your plastic or paper money for a small bar of the real stuff.

将信用卡或现金塞入其中，机器就会吐出货真价实的小金条。

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Dorsey has an artist friend, a glassblower, whose business was too small to justify the monthly fees and confusing rules and rates of a traditional credit card swipe machine.

WSJ: Simplicity and Order for All | Innovator of the Year 2012 Technology