There is hardly a person who does not like it, whether it is dark, milky, with hazelnuts, stuffed or white. You guessed it, we are talking about chocolate, which delights millions of people around the world every day and is the subject of books, songs and even movies. Speaking of movies, one interesting fact that many people probably don't know: in the very famous shower scene from the cult movie Psycho, director Alfred Hitchcock used chocolate syrup to represent blood. This was also used by other directors of black and white films.