Some of the Greatest Movie Mistakes

Movie mistakes (on purpose or by accident)? Nothing is perfect, even movies we are watching every day , within is invested huge amount of money, movies with budgets going over 10 million dollars or Euros (movies: Pirates of the Caribbean, Titanic, The Bourne Identity, Harry Potter, Terminator, The lord of The Rings, American Pie, Matrix, Star Wars, Gladiator, Spiderman, Man in Black, X-man, etc.). Those same mistakes which are appearing in movies stay not noticed even by movie directors, like Woody Allen, Robert Altman, Tim Burton, Alfred Hitchcock , Steven Spielberg, etc. Many people do not even notice these mistakes because of speed and dynamic of the movies. Look all that you missed, all that was missed even by movie makers.