If you can, try to vote early. Putting yourself on the 'I voted' list makes it easier for the get out the vote operations to target people who haven't yet voted. If you haven't voted yet, you make them stop by to check in on you, which makes them less effective. 

Also if you are in NC and are not registered to vote, or if you know someone who is not registered, you can still register! You can take a valid drivers license and a document proving your name and local address (cable bill, etc) to an early voting site and they will allow you to register and vote.

Cheers! Let's go blue!