Great time to play the..
"watch the for stooges in the audience." game.
Apparently they were easy to spot @ macy's in NYC, as they were all wearing the right clothing, and they all know what they could and could not do in the demonstration....
I wonder how many people will turn up thinking they actually stand a real chance of having a go? Clearly the system is far too temperamental for it's shortcomings to be shown off to all watching.