If the create or the poll so chooses, any poll can now offer the ability of write-in votes. You may now also change your vote if you later change your mind or if you accidentally selected the wrong response in the first place.

For example, if I start a poll with the options of Blue and Red, and I allow write-ins, you can write in the option Green (or whatever) and it will then be added as an additional choice for everyone to select when they vote in the poll!

No more do we need to have polls with (Other - Please Explain) as an option. We can add in what's missing ourselves.

Also, after you vote, there is a link that allows you to change your vote.