CBS News takes a look at the state of voting machines heading into Election Day. Two years ago, a presidential commission warned it was an "impending crisis"

Voting machine makers face questions from House lawmakers — but more remain

Use this online voting system and create polls fast - for free!

Professor demonstrates how to hack a voting machine

NBC reported voting machines were vulnerable to hackers

Understanding How to Use Voting Machines

Digital voting for Nova Scotia by-election on radar of Elections Canada

Voting machines at the polls: What you should know and how they work