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October 20, 2014

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An exhibitor plays a round of Keno on Interblock's electronic gaming machine and watches the results on a life-size holographic display, Thursday Oct. 4, 2012.

Christopher DeVargas

An exhibitor plays a round of Keno on Interblock's electronic gaming machine and watches the results on a life-size holographic display, Thursday Oct. 4, 2012.