Kinect-facetracking is an in-process node module which exposes the face-tracking datastream from the Kinect 2.0. Check out the wiki for a detailed write-up, helpful links, and questions I found myself asking--and answering--along the way.
The library attempts to expand kinect2, a Nodejs library to access the kinect 2 data via the MS SDK by Wouter ver Weirder.
Written by stephkoltun as part of an xStory grant from ITP, NYU.