Side note: Gravity is such a great movie. I love it's simplicity. It's a monster movie with (essentially) 2 characters and the setting is the monster. Then brin

Side note: Gravity is such a great movie. I love it's simplicity. It's a monster movie with (essentially) 2 characters and the setting is the monster. Then brings this incredibly simple vision to life without feeling sparse or experimental. This even extends to the title:tagline as you mention. Four words, "Gravity: Don't let go", efficiently conveys the whole tone of the film.