In'N'Out Owner Among Richest Women on Planet

Lunchtime at the flagship In-N-Out Burger restaurant in Baldwin Park, California, is a study in efficiency. As the order line swells, smiling workers swoop in to operate empty cash registers. Another staffer cleans tables, asking customers if they're enjoying their hamburger. Outside, a woman armed with a hand-held ordering machine speeds up the drive-through line.

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