[rockostrich]

I don't see Facebook going away. It's such a good tool for organizing groups of friends and getting back in touch with someone you haven't seen in awhile. Tweens aren't using it because they don't need those features, they just want to share things. Once they start to grow up and move away from their hometowns, I think they would start using Facebook unless another platform exists in the same space (which as far as I know doesn't).