It seems to be a recent affectation, vide this from 1925: [0], although note that it isn't enforced on the sports pages: [1] or on Malcolm Gladwell: [2] [0]htt

It seems to be a recent affectation, vide this from 1925: [0], although note that it isn't enforced on the sports pages: [1] or on Malcolm Gladwell: [2] [0]http://www.newyorker.com/magazine/1925/09/19/st-elite http://www.newyorker.com/magazine/1925/09/19/st-elite [1]http://www.newyorker.com/news/sporting-scene/kevin-wares-grisly-injury http://www.newyorker.com/news/sporting-scene/kevin-wares-gri... [2]http://www.newyorker.com/news/sporting-scene/complexity-and-the-ten-thousand-hour-rule http://www.newyorker.com/news/sporting-scene/complexity-and-...