You're better off posting this http://www.gamesas.com/topic/1501097-fallout-4-speculation-suggestions-and-ideas-203/ instead.
That said, I have your link you weren't able to post. http://www.youtube.com/watch?v=pz8JFGcvmJ4
I'm still not expecting anything any time soon. This could be just to protect their trademark.
How early was Fallout 3's prepareforthefuture.com registered in contrast to its announcement?