a very challenging problem &#8212; there have been several attempts at trying to solve this over the years. In order to get innovation started in this area, we are open sourcing the research we have done so the broadest possible group of people can work with it. We believe that the open development model works great for the exploration of this new 3D frontier - with vast possibilities.</p> <p><strong>How is this different from previous attempts at building a 3D interface?</strong></p> <p>We aren't moving th