if you are a facebook developer you can use it now. just go to the developer page and you will see the open graph settings..
if you are not a developer its so easy to become a developer..
just follow the instruction from this blog www.techsterr.com/2011/09/tutorial-how-to-enable-facebook-timeline-feature/comment-page-1/#comment-1247
Go and try it now...
MTRTGGYN3RBZ
