<P> Alex Grigoryan of Walmart Labs released a statement on Medium.com on October 3, 2016 explaining the details of the applications and the scale that they operate at Walmart . </P> <P> As the largest retailer in the U.S., Walmart collects and analyzes a large amount of consumer data . The big data sets are mined for use in predictive analytics, which allow the company to optimize operations by predicting customer's habits . Walmart's datacenter is unofficially referred to as Area 71 . </P> <P> In April 2011, Walmart acquired Kosmix to develop software for analyzing real - time data streams . In August 2012, Walmart announced its Polaris search engine . </P> <P> The amount of data gathered by Walmart has raised privacy concerns . </P>

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