By: Addison Wylie Ambiguity can be a beautiful thing – especially for the horror genre.  Filmmakers can inject an idea, and then trust the viewers to fill in the blanks.  It does, however, take a certain skill and direction to utilize ambiguity to its fullest degree.  A skill that David Robert Mitchell’s It Follows is missing although the film is confident it has. It Follows goes heavy on creepy nuances, which benefits the experience.  Nothing…