Personal Helicopter (Score 1)

The personal helicopter theory fits too well. Even the comment about IT being a hovering device. I believe IT will be something similar to this: http://news.bbc.co.uk/hi/english/sci/tech/newsid_8 93000/893200.stm Only, Kamen's version will use an environmentally friendly power source. Perhaps a compressed air engine, or a version of the Stirling engine he is so fond of.