The new US border wall is an app

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A few minutes before 9 a.m. on a day in late March, Keisy Plaza, 39, leans against a wall on the corner of Juárez Avenue and Gardenias Street in Ciudad Juárez. It’s the last intersection before Mexico turns into El Paso, Texas, and a stream of commuters drive past on their way to work and…

https://www.technologyreview.com/2023/06/16/1074039/border-wall-app/