> And one thing I notice is that since both the arrows disappear, you're never quite sure if you did. [...] But you're never entirely sure. The undo link says

> And one thing I notice is that since both the arrows disappear, you're never quite sure if you did. [...] But you're never entirely sure. The undo link says "unvote" when you upvoted, and "undown" when you downvoted. And yeah, after every single click on one of these arrows, I check the undo link to make sure I clicked the right one.