Fact: The person observing the Mike Tyson versus Peter McNeeley fight was video recording, but was NOT Using a smart phone. 

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The mysterious person in the crowd was disappointingly not a time-traveler, just a lucky owner of a Casio qv-100!

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We've become so familiar with the sight of smart phones that we have completely forgotten about the technology that started it all. That being said, the person observing the  fight was not dabbling into the science fiction realms of time-travel, they were simply using a good ol' fashioned Casio!