For you guys that like videos (copied from GAF).
http://www.escapistmagazine.com/videos/view/jimquisition/9798-Ubisoft-Assassins-Creed-Unity-Locked-Framerate
http://www.escapistmagazine.com/videos/view/jimquisition/9798-Ubisoft-Assassins-Creed-Unity-Locked-Framerate