In Back to the Future 2 the "future" was October 21, 2015. That currently means that we have less than four hours to invent flying cars, hover boards, and self tying shoes and then widely distribute them all over America. If we put our heads together we can do it! Right?
Edit: Everything apparently exists already. We need the Cubs to win! We need to mass produce the things!
Edit#2: Jaws 19 is supposed to be coming out.
Edit#3: Where is everything? This doesn't look like the future at all!
Edit#4: Great Scot! The Time-Space continuum!
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The reason the future isnt the way they predicted, is because they altered it by hijacking a train and altering the space time continum so that the future is altered the way it is.