* A place on a user's profile that lets you view trades that ONLY that user has up.
* Top friends option for your profile. If you choose not to have it, it is optional.
* A trading post where you put a pet up for trade and someone can make an offer. Like the item trading page. (Also viewable from a user's profile).
* Pets that you can purchase, using credits that can only be given to a friend. Instead of an egg, it comes in a pretty box with a bow on it. It sits in your inventory until you click "Use Item". It asks you for the username and then you click "Send!" It goe straight to that person's hatchery and they open it. Opening it is just like hatching an egg, except it says "Open me!"