In 2015, Wang Feng, a technical otaku, was forty years old this year, and he was a "five-no old man" with no education, no job, no girlfriend, no house and no car. One day, after his parents died in a car accident, he fell into infinite sorrow and jumped into the cellar of his own courtyard. Suddenly turning back in time and space at the age of twenty in 1995, he seized the opportunity to start over, change his mind, change himself and change the world. In the era when big brother brick mobile phones were prevalent, bulky desktop computers were not popularized, and there was no concept of the Internet, he, a technical old otaku, became a 20-year-old young man, and made mobile phones, computers, tablets, digital cameras, Internet TVs, Internet cafes, stand-alone and online games, web portals, e-commerce, search engines, and so on. Let's see how the forty-year-old otaku returned to his twentie-year-old youth and became a powerful technology tycoon from 1995 onwards, creating a technology empire that dominates the world! (Book Friends Group: 278577119)