the greatest innovation in human history

(1)What is innovation
(2)Smartphone
(3)social network
(4)Or the operating system
(5)I’m going to New York 117 years ago to find the roots of innovation
(6)Dr. Willis Carrier invented the air conditioner
(7)Oh, I can’t believe I can control the temperature and humidity!
(8)The advent of air conditioners is starting to change the world
(9)The efficiency of the work increased quickly
(10)The computer was able to run
(11)A super-sized building appeared
(12)There’s a big city in the tropics
(13)It’s become a modern society that you know
(14)Land. Humanity is still making progress
(15)Even now, humanity is making progress
(16)With the blessing of Dr. Willis Carrier