What you hear about "voter fraud" is generally a hoax.
On the other hand, people have been caught doing dirty tricks to prevent legitimate voters from voting.
However, people are getting creative about dealing with election day problems.
Here're the folks at TechPresident with a great idea. Use Twitter to let people know if lines at a polling booth have gotten too long.
Maybe they could warn of other problems, like where Ohio Republicans tried to disenfranchise troops overseas.
Just a start, and a good one…