Can you imagine if this was taken a step further, like drew stuff and then, if they could animate? I'm picturing in my head a life-sized animated TRex....mind-blowing! Actually, I'm thinking of a lot of fun things you could make with this pen.
And if you missed it (like I did) there is this-
And even NASA's doing it! <(from i09)
So where's my holodeck!