Ma Lin invested in a radio factory of his own, where the radios produced were very rudimentary in design, ridden with a sense of cheapness, but at least they were functional and quite compact, measuring no more than twenty centimeters in length, lightweight, and could be either battery-operated or plugged in.
Whether using batteries or electricity, these two options make it difficult for most people in today's world to use them.
The world is gradually becoming wealthier, but most areas still lack an electrical grid.
The East Wing Continent had developed early, yet the electrical grid only covered the major cities and a small part of the rural areas.
Roads have been built with some initial success, making it somewhat more convenient for rural folks to attend markets, but traveling to nearby cities remains difficult due to the scarcity of buses.
Traveling to the city by horse-drawn carriage or ox-cart could take half a day; you couldn't make a round trip in one day.
