DrWolf's video: http://www.youtube.com/watch?v=FGQwT4K6Jik

So sure, Twilight contributes to society. But do the rest of the mane 6? I take a look to see how Rainbow Dash, Rarity, Applejack, Fluttershy and Pinkie Pie all act outside the roles defined in their cutie mark and in what ways they help improve society.