Now Playing: 11-6-12 Marketplace Tech Report

On this election day, we'll be looking at a map -- not of swing states that could go red or blue, but a map measuring states' voting technology, and which have the best and the worst chances of messing up the count. For instance, Wisconsin: Good. Georgia: Not so good at making sure votes are recorded in a way that can be audited or recounted if needed. It’s a lot easier to modify electronic records than to modify paper records which is why banking and a lot of other critical activities still rely on paper when there’s an ultimate disaster and electronic records are lost or corrupted.