In case anyone is confused, it requires Facebook, so if you block FB, it will be pretty much an empty page with some footer links. I assumed it had crashed. But they assumed I allowed facebook.
Might be good to have something show up in case you can't reach facebook.
This is a technology demo. We wanted to demo our real-time tech rather than show a bunch of sign-up workflow code. Facebook auth lets us save a bunch of boring code.
Would it be much more code to support Twitter's OAuth as well? That'd appease me... everything on my Twitter is public and they have a much better record with regard to user data than Facebook. Plus your demo is a Twitter clone, so you'd get points for irony :)
I don't block Facebook completely, but I do use ghostery which blocks Facebook Connect. Had to pause ghostery to get anything but the footer to show up.
Might be good to have something show up in case you can't reach facebook.