As a privacy concern I didn't want to give up my facebook information so I backed out of trying it. The point where I became hesitant and backed out was when it showed my picture and said you wanted my public profile, friend list and email address. Why would this site need my friends list?
Facebook is horrible at this. You can't not ask for it. In fact, you don't ask for it. Access is automatically granted, whether you want it or not. I suspect that this might change when there's some massive security breach that causes a big publicly visible compromise (millions of friend lists get abused/compromised by some rogue bot targeting loads of apps using Facebook as just a single sign-on provider), and it'll…
Well said, we just ask for basic info. It just gives it for free though we don't want it.