I remember reading about this at University and being blown away by the idea. It lead to me reading one of the most boring books I’ve ever read; the history of Chile isn’t a riveting read.
“When military forces loyal to Gen. Augusto Pinochet staged a coup [in Santiago, Chile] in September 1973, they made a surprising discovery. Salvador Allende’s Socialist government had quietly embarked on a novel experiment to manage Chile’s economy using a clunky mainframe computer and a network of telex machines.”