Sean Young in "Blade Runner" (Credit: Warner Bros.) Futuristic films, be they “Star Trek”-optimistic or “The Road”-pessimistic, have a very mixed record when it comes to predicting the actual world of tomorrow with anything like accuracy. For every one that gets telecommunications or tablet computers right, there are a hundred or so others that promise things so pie-in-the-sky that they seem less sci-fi than pure “Harry Potter” fantasy.