Chrome; as I've said, I don't use it because I enjoy it, but because it's the default, I procrastinate, and they make a very good walled garden.

Safari, Firefox, Orion.

I have other installed (Waterwox, The one under DOJ investigation, etc), but these three in the order listed depending on the task.

Your poll is broken. My vote didn't get recorded.

Try again. If it fails send an email to hn@ycombinator.com so dang can take a look in case there is a problem with the code or server.