I like the snark mark. Although how many people would understand it? You can say stuff like "I don't like the snark mark: ~". ~ And then people start looking for pictures in the punctuation. So I'll never use the snark mark.
Warning- Writer At Work! By Penalty of death of your favorite character do not enter except in case of real emergency. Things that constitute a real emergency; the house is on fire, the zombie apocalypse has begun, lunch is ready.