Daniel, great point.
A little light research into absentee laws in the US shows that (at least at first glance) such last-day absentee ballots are not possible.
http://www.longdistancevoter.org/absentee_voting_rules#.T00CovEgfw2

There are, however, such things as emergency absentee ballots which can be picked up in person right up until (and including) election day.
http://www.longdistancevoter.org/california#.T001WPEgfw0

These might not help someone who cannot leave the house, but may be a good system to piggyback a solution onto.

I'll try and work on turning this into a concept for the next phase. Do you have ideas on how such a solution might look?

I've run into this information problem every time I vote in a local election. Information about the candidate's postion on major issues would be really beneficial to voters, many of whom just don't have the time to do a lot of research ahead of time.

The debates have been very successful in the republican primaries partly because they have been a way to see candidates stand next to each other and state their positions. They provide a opportunity for compare and contrast easily. I could see voting cheat sheets as kind of debate spark-notes, not everyone has the time to watch and take notes on the debates.

One hurdle to overcome: what information is and is not shown could be a huge partisan issue.