Hondas new balancing personal transport

Apparently its insides is a big secret but if you look closely you can see the machine actually moving sideways as it keeps balance.

I don`t know about you guys but as soon as I saw it I wanted to pull it apart to find out how it works, or at least turn it upside down and take a look at the bottom.

Any theories on how it translates sideways with such a slim profile? Theres the obvious ball balancing robots, but a ball that fits in that body would never make it over even the smallest bumps. My first thought was 2 thin independantly driven mechanum wheels on the same axle.

https://www.youtube.com/watch?v=0pkn8Ko-q74

According to this video it
According to this video it looks like a large omni style wheel where the perimeter rollers are motor powered. http://www.youtube.com/watch?v=NIIFSc2aj-A

It is called HOT Drive
It is called HOT Drive System, imagine the mobility you would get with something as simple as a Mr basic !