Something that I really enjoy about well-done Support is the way that is goes from a business transaction (think of the last time you called your cable or internet provider) to a more personal interaction. At WordPress.com we’ve recently added a bar of our Happiness Engineers’ Gravatars, like this:
In poking around Vimeo’s documentation today, I noticed they’ve taken this to the next level, with some neat hover states and built-in animation, and I really dig it. Check it out: