You open up the device and the image of two dice floats into view before your eyes. Fancy! You press the button and the dice begin to spin in mid-air. After several seconds, and plenty of ooh-ing and ahh-ing on your part, the dice stop spinning....
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The numbers on the dice add up to 9.
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The device begins to hum, and the air around you seems to become electrically charged. And then it stops.
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Within a few seconds, a random passerby wanders up to you, hands you a wad of Moolah without saying a word, and wanders away again, scratching his head. Weird.