Hidden Option
From VestiWiki
Each poll has a number of options. Due to a bug in the voting code, it's possible to vote for an option number that doesn't exist using some HTML manipulation. It increases the total number of votes, but doesn't show up in the voting.
Since some polls are made with no options, biased or stupid options, this often gets used to mock the poll in question and confuse people who don't know what's going on.
To access it, you can use a bookmarklet which will add the option to polls. This works on most of the modern browsers.
For people using Firefox and the Greasemonkey extension, a script is available that will show the hidden option as the unused green bar in polls:
