NJ5 on 30 August 2011
Yes. I'm not at all superstitious, religious, or a fan of the occult in any way. However, when I was a teenager I did try one and it was rather spooky as I asked it some questions that only me in the room knew about, and it seemed to answer them correctly.
Later I read about this which may explain it in a scientific way:
http://en.wikipedia.org/wiki/Ideomotor_response
My Mario Kart Wii friend code: 2707-1866-0957
