In 2010, in the PC era, the three BATs in the Internet field dominated and were arrogant. At the same time, the rise of Apple and Android smartphones opened the door to the mobile Internet. Zhou Yujie, a senior programmer of ByteDance, returned to his youth and opened a brand new era of mobile Internet... (There is already a complete old book "The Rise of the Rebirth of the Tycoon", a pure commercial urban article. If you like this type, you can go and have a look!)