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RE: Jack Dorsey - "Africa will define the future of Bitcoin"
That will all be changing over the next several decades. Did you see the stats in there about them having the largest city in the world by the turn of the century according to projections?
I did see that... And I think it might even be true... For civilization to advance technologically, people need to live closer to each other.
Internet and mobile communications become faster and faster by time, but the distance to closest cell tower or fiber optics junction will get shorter.
Some electronics get bigger, but voltage gets lower, others get smaller, but voltage gets higher. Everything leans toward using 5 volts as reference point, even if device use lower or higher voltage.