在舊世界，你投入3成時間打造一項好服務，剩下7成時間用來推銷它；在新世界，剛好相反。 

In the old world, you devoted 30% of your time to building a great service and 70% of your time to shouting about it. In the new world, that inverts. 

by.傑夫．貝佐斯-亞馬遜（Amazon.com）創辦人