I find the conclusion of the talk hard to swallow: that these sort of interfaces will be common in the computer you buy 5 years from now. Why? This goes agains

I find the conclusion of the talk hard to swallow: that these sort of interfaces will be common in the computer you buy 5 years from now. Why? This goes against the current major trend in the industry: mobilisation / pocket-isation. It is inconceivable that our built environments will have the required sensors, projectors, etc. to enable these interfaces. Even more than that, our computing is becoming ever more mobile. Computing has to fit our environment, not the other way round. Maybe this stuff is the future, but it's certainly not the near future and I didn't really see much value in the interfaces demoed. Then again, the point of R&D is to discover what doesn't work as much as what does and you can't do that without realising your ideas.