Greenberg on AMZN: Businesses must constantly reinvent
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Greenberg on AMZN: Businesses must constantly reinvent

CNBC contributor Herb Greenberg reacts to news of Amazon.com's first store set to open in New York City on 34th Street. Jan Kniffen, J. Rogers Kniffen CEO, says every retailer needs a showroom.
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Thu, Oct 9 20142:20 PM EDT