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Well my brain power may not be as high as yours...but if 1 in 4 billion is the ratio, and you and your friend both have the same thing, that puts the ratio at 1 in 2 billion, not 2 in 35 million (which should be said as 1 in 17 and a half million). That brings the world count to 388 out of an estimated 6.8 billion people. So where are these figures of yours coming from?
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