I fin the idear very interesting, but do you noticed he never puts the ring compleetly on it looks far to thik to be conftable or stylish...but i like hte idea !
cool but the light is suppose to be bright solid color like in the concept picture, try to pause at 0:30 the light inside is spread to other numbers and 2:17 pause it there look the dot at the bottom the light is spread both side..please i know its a prototype but please fix it,..