Any more questions?
Funny, I surfed the internet today and I think I found the "grand father" of this trick
http://www.youtube.com/watch?v=hpRdzHy3C2k
Ahh, David Berglas.
The history of the effect goes a long way back. From memory, the first modern versions of the effect to appear in print were from the early 20th Century, but dates back further. You're gonna need an old grandfather..
whats the difference between control and control 2.0?