By Sapna Maheshwari
Source: The New York Times

Nick Fraser would regularly start his grocery picking shifts at the local Fred Meyer store at 4 or 5 a.m.

Upon arriving at the Kroger-owned chain, Mr. Fraser, who lives in Salem, Ore., would begin fulfilling online orders, zipping through aisles with a hand-held device and scanning bar codes on everything from cereal and milk to chicken and vegetables. The screen on the device was his guiding light. His goals: to retrieve each item within 30 seconds and to find 95 percent of a customer’s grocery list.

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