'Data Double 3.1.2' documentation of an interactive digital artwork exploring how people are represented within the data extraction industry. The work uses real-time live face-tracking to control the diffraction of the live video image, in which the tracked face appears, the video split into three separate layers (RGB) and tesselated into 100 sections. The zoom and point of view (PoV) is calculated according to face position in 3D space in front of the webcam. Developed using Processing 4 and the Open Computer Vision library (OpenCV).