During the 2016 Met Gala in New York City last May, IBM and fashion designer Marchesa debuted a "cognitive dress" powered by Watson. Model Karolína Kurková wore the gown that changed colors based on what people were tweeting. In this video, Melissa Campanelli, Total Retail's editor-in-chief, talks with Jeffrey Arn, Watson marketing analytics strategist at IBM, to get the full story behind the Marchesa cognitive dress.

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