at nokia world 2009, nokia research center demonstrated an optical see-through eyewear display. it included eye-tracking capabilities, thus allowing the user to navigate and control the glasses just but focusing on the images or looking up or down. on 21 october 2011, vuzix announced that it has entered into a technology license agreement with nokia to develop and produce see-through waveguide optics for use in eyewear displays based on nokia's proprietary see-through (exit pupil expanding) epe optics technology. at ces 2012, vuzix demonstrated the smart glasses, a see-through eyewear display technology based on integrated hd display engines and waveguide optics that were licensed from nokia. vuzix also announced plans for a line of both monocular and binocular smart glasses with integrated head tracking and options for multiple camera technologies for the commercial, industrial and consumer market.