…and the Last Racehorse Crosses the Line (mic on the PS4 controller?)

Engadget PS4 Controller picOkay, I must be a dullard or losing my extremely uncanny powers of intrusive observation. Somehow, I never noticed the little headphone jack on the bottom of the Playstation 4 controller. However, while perusing Engadgets pics, I saw it clear as day. I have to assume it is a headphone jack based on the tiny raised image of a microphone above the port. The left side of it looks to be micro-USB connection while the right appears to be a simple microphone-sized input orifice. The image links to the original image, so others can make their own equally non-informed guesses.