1. PrimeSense (2010). http://www2.technologyreview.com/tr50/primesense/ , Accessed 24 Oct 2015
2. The Microsoft Kinect (2015) https://dev.windows.com/en-us/kinect , Accessed 24 Oct 2015
3. Leap Motion (2015). https://www.leapmotion.com/ , Accessed 24 Oct 2015
4. Soli, “Project Soli” (2015). https://www.google.com/atap/project-soli/ , Accessed 24 Oct 2015
5. Perception Neuron, developed the cap (2014). https://www.neuronmocap.com/