Luo Ji, just like his name, is dedicated to scientific rigor, but he is also not sociable because of his dedication to research, that is, he has a high IQ and a low EQ. Every tree, every branch is a technological tree of an era! Steam Age, Electric Age... These experiences are clearly visible; Smart Age, Atomic Age... These are happening only the tip of the iceberg. Luo Ji The research begins with this branch called the era of the Internet of Things.