Yes
No you can't.
You are not allowed to use Facebook without the sign up procedure. You can access limited Facebook pages without going through the sign up procedure.
You can go to www.farmville.com but you need to log on through facebook.
type in your e-mail :-D
By email
There used to be an option where you could join Wiki Answers without having to connect Facebook. Unfortunately, they have removed this feature.
at zynga.com
I am not going to go through and count them all, but I would bet close to 1,000! By the way, great question! :-)
you can't you idiots!
You can play it off their site but Facebook connect is usually always needed.
You can reset your interests in Answers.com by going to your profile and edit it.
Post on their wall, send them an message.