The Man at the End of the Crowded Trader Joe’s Line

How the beloved grocery chain does crowd control in busy stores.

AP Photo/The Virginian-Pilot, Stephen M. Katz

In the produce section of Trader Joe’s store in the Chelsea section of New York, Karl Holman holds an eight-foot-tall sign that reads “End of Line.” It’s six o’clock on a Tuesday, and Holman is managing the line for the second time this shift.