The largest obstacle is the battle of perception. Whenever you say, 'Oh I am building a flying car,' there is always the guy in the corner snickering.

It's nice to say I thought about it when I was sitting in traffic. But the truth is flying cars are cool.

We have a lot of confidence that if the interest is there, we can deliver this product. There is a huge amount of general interest, but the question is, is there a market for it?