A modern McDonald’s job, for example, isn’t the leisurely activity implied by “flipping burgers.” Fast food today is intense. In McDonald’s phone-book-size operations and training manual, every task has a target time in seconds, as in the assembly of a burger: Target order display screen reaction time: 5 seconds. Target toast time: 23 seconds. Target sandwich assembly time: 22 seconds. Target sandwich wrapping time: 14 seconds. Target order assembly time: 16 seconds. “Guests should wait no longer than 60 seconds from the time the order is being totaled until the order is presented,” the manual
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