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That means with a BILLION computers each creating a BILLION addresses EVERY SECOND since the BEGINNING OF THE UNIVERSE, you still would NOT have computed even 0.00000000001% OF THE POSSIBLE ADDRESSES yet.
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Wow, I like this conclusion.
So far I tried to explain it using the number of sand grains on earth theory which I have read about somewhere ( imagine all grains on earth, then imagine each grains is new earth ...)
But this one is much more explanatory.
I'm gonna keep a link to this because this is one of the most FAQ.