They had no concept of what makes progress fast or slow. Humans have strong adaptability, especially for something like mobile phones. Under natural evolution in modern time and space, it developed from the earliest analog signals and such, originally as beepers. In the six-dimensional time and space, Finn Lewis could even directly use the most advanced mobile communication technology.
It was just a matter of publicity, all of which was very simple. Therefore, the production capacity of another space-time would greatly increase. Many things were produced by robots and Finn Lewis just replenished the energy. So in another space-time, the companies controlled by two intelligent robots in the Great Alliance Nation and the North Federation which Finn Lewis had, were almost doing business worldwide.