translation.en: If you saw the cover of The Economist a couple of days ago -- it said that 80 percent of the people on the planet, by the year 2020, would have a smartphone.
translation.zh: 如果你还记得几天前出版的 《经济学人》的封面—— 说，到2020年，地球上80%的人 将拥有智能手机。