Simple things work best when looking for sign ups.

[Hammer]

Coming up with a new Bangbus will hardly be easy and I only use it as an example. The point is that a site with awesome exclusive teen content will do better than most teen sites, but unless it has something to make it really unique, it will never do be a sensation. Now, if you add something to make it standout, like Teen Survivor Island or something, then you'll clean up.