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So it took 130 years to go from 10% to 70% - given this is starting around .1% we will have like 400 years before it is ubiquitous? I am willing to take that r

So it took 130 years to go from 10% to 70% - given this is starting around .1% we will have like 400 years before it is ubiquitous? I am willing to take that risk.