By Amanda Breen

The first Whole Foods utilizing cashierless technology opened its doors earlier this week, making register-free shopping a reality for customers at the 21,500-square-foot store located in Washington D.C., Axios reports.

Amazon, the grocery chain’s parent company, has been developing its “Just Walk Out” system, which allows customers to load their carts and leave without interacting with a cashier at a traditional checkout stand, since at least 2016. Its Amazon Go stores, approximately 1,200-square-feet and 2,300-square-feet in size, use the same cashierless technology, as does the tech giant’s 25,000-square foot Amazon Fresh location, which opened last year in Bellevue, Washington.

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