yea these are pretty cool, I saw some of the rotating kind when I was in japan.
my friend had his car stuck on the top level one time, so they had to rotate
through a whole bunch of cars, it took like 5 min. I was still impressed but
he seemed a bit put off that his was put on top.
The think about the software company and licensing....that's a load of BS
another one of the many reasons gpl is a better than proprietary in the
public (E.G. non military) domain