A Touch Screen... Projected

When you think about 'the Future' (F is capitalized), what do you think about? My first thought is always interactive environments, where EVERYTHING becomes a source of input, either actively or passively. This is the latter. Enter the Light Touch, from Light Blue Optics. This machine can take any solid, flat surface and turn it into a touch screen through a projection technology called HLP (you can see how HLP works below). The manufacturer says HLP and concepts like the Light Touch will become especially useful in venues such as restaurants, hotels and specialty shops. I, for one, can't wait until this technology starts getting to consumers. But seriously, how long until 'the Future'?