Lumina, a robot that teaches us the potential of interactive projections

Are they not convince small picoproyectores some brands being launched to the market? For sure after seeing the invention has been dreaming up Natan Linder, a student of MIT (Massachusetts Institute of Technology ).
This is a kind of robotic arm that simulates a desk lamp but that with a picoproyector, a camera and an integrated software is able to turn any surface into a touchscreen smartphone with which the user can interact through gestures.
The most interesting is that not only can we interact with the screen, but the lamp itself moves and adapts to our needs. Nothing better than a video to see how it works: