I'm always kind of puzzled by this question. There are like 7-8 billion humans. Millions of ships, planes, farm machines and other equipment. Expansion will ha

I'm always kind of puzzled by this question. There are like 7-8 billion humans. Millions of ships, planes, farm machines and other equipment. Expansion will happen in all direction at the same time, in all market. In very poor country a single village might share one antenna. All the way to very expensive antennas for military aircraft.