Once again a non PC platform is pushing new(oldish) technology to the forefront and in this case it's eye tracking on a mobile phone.
http://www.bbc.co.uk/news/technology-21791023
Much was made of the device's ability to be controlled without touching it.
Using "Smart pause", the user can pause a video by looking away from the screen.
Additionally, the "Smart Scroll" software analyses both the user's eyes and wrist to scroll through emails and other content.
When was the last time new or novel technology was being used by at least a medium amount of PC gamers like the Novint Falcon for example??
Hacked console controllers like the Wiimote or Kinect don't count.