I can't sign up on the beta registration page.

I can't sign up on the beta registration page.

When I click the "store" button under my gamertag I just get "loading" forever. I tried letting it run all night and it was still "loading" when I got up.

Also if I try to do the Twitter authorization I can click "allow" but I am returned to a generic error page that says "please come back later" in multiple languages.