He explains that this test case actually happened in the US. A female employee of the company suggested enlarging the circumference of the holes of the pepper shaker and thereby increasing consumption. It turned out that sales indeed increased significantly.
他接著指出，這個案例是美國業界的實例，結果一位女作業員想到，把胡椒瓶蓋上的孔加大，胡椒消耗量增加，業績果然成長。