Seriously though, make sure your chair is decent. I replaced mine, which fixed my posture which meant that I wasn't leaning on the wrong nerves. It helped.
I launched late yesterday, so I don't yet have much data. From this morning's iTunes Connect report I know that one person bought it yesterday, and appears to have rated it already as well. Thank you anonymous early adopter!
Come now, let's don't make zed have yet another hissy fit. You are not allowed to disagree with him, lest he find your home address and post it to twitter.