Ben Brantley: “The Swedish-born actress … became an international star as an enigmatic love goddess in silent movies, and she carried with her ever after an awareness that saying nothing is what becomes a legend most. … Today’s democracy of technology would, of course, conspire to put a fast and brutal end to the tantalizing demi-invisibility that Garbo sustained so well. Everyone who possesses a cellphone now is a potential member of the paparazzi.”