Gold membership allows you to play with friends online and access to apps.
Wolf
A wolf can be an avatar’s best friend too!
Copy and paste this link into an e-mail or instant message:
http://marketplace.xbox.com/en-us/Product/Wolf/00001000-7a4d-e233-cf0a-3f235858085e?cid=SLink
Click to create and send a link using your email application
Sign-in to see this on your avatar.