The iQ may be Toyota’s first foray into computer hardware, but it’s definitely functional. The system makes use of “special software to turn the car’s movements, tracked from above with a camera, into those of a cursor on the giant screen.” Video after the break.
The first laptop sent these co-ordinates to the second laptop 30 times per second. The second laptop read these co-ordinates and moved its mouse cursor in real-time. That image was then projected onto the large screen.