Slate.com - Walmart is building giant self-service kiosks in its stores that retrieve customers' online orders. The
first kiosk appeared in a Walmart store in Bentonville, Arkansas, last year. The company is now rolling them out to more than a dozen stores in cities including Gilbert, Arizona; Glenpool, Oklahoma; Enterprise and Auburn, Alabama; Gwinnett, Georgia; and Midlothian, Virginia.
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