Microsoft's Principal Researcher recently sat down for a very long interview with The Globe and Mail. The next big thing in tech, he says, is something like Microsoft's already available (but super expensive) Surface. So what does the next version of the Surface look like? Well, it's going to be much thinner -- "no thicker than a sheet of glass," but most importantly, it will cost much much less. The man who helped design what ultimately became Surface says that soon enough, the cameras will be embedded within the device itself, making it a low-cost, in home product rather than the niche product it is today. Buxton a