These are exit polls. They call early voters and ask them how they voted, if they answer truthfully, and if they answer at all, an accurate picture of the voting can be painted. However, exit polls are noted for inaccuracy, 2004 is a good case in point where the exit polls all gave the edge to Kerry and the news media went crazy, until later in the day when the actual vote count told the truth. Exit polls are used, most times, to suppress voters and, IMO, should be outlawed.
While I think McCain will win I have no way of knowing if this is an accurate poll or not. I certainly don't trust the exit poll they had going yesterday which showed Bozo well in the lead. At least this one will not keep republicans home thinking they have lost.
To answer your question simply: No votes have been counted yet and, if they have, law prevents them from being released to the public.
Fox - Obama up 1%..
Zogby - Obama up 16%
Hotline - Obama up 5%
Pew - Obama up 18%
Gallup - Obama up 10%
What can we conclude? Well I conclude that polling is a joke.