When enough rich folk have these things, they'll stop fixing the roads, and cycling will be impossible.
Looks fun, but disappointing that it's just two big fans pushing air, rather than an anti-gravity engine powered by zero-point energy.
Why are they going so slow??? Faster rarrrrrrr!!!
For safety reasons, they've tested it at 30 mph and 15 feet high, although earlier versions of it went as fast as a helicopter.