First, most US paper ballots are fill-in-the-bubble, with pen, and any sufficient mark counts. This is so the large number of ballots can be counted quickly. Mu

First, most US paper ballots are fill-in-the-bubble, with pen, and any sufficient mark counts. This is so the large number of ballots can be counted quickly. Multiple marks for the same race is immediately rejected and you have the opportunity to correct the ballot. Ability to follow basic directions is the responsibility of the voter. Or, the voter can ask for assistance. Hand marked paper ballots allow for an audit trail. Paper allows the voter to check before submitting the ballot. Paper allows easy correction by trading for a replacement. Paper works well. As is confirmed in audit after audit after audit.