Ask a friend to memorise one of the 4 drawings you show him / her. You place your Iphone or Ipod face down on the table in front of you. You ask your friend to name the picture he / she thought of. You say that you knew they would choose this image, and prove it when you turn over your phone and there is only 1 image displayed on your screen: the thought-of image!
Example of presentation:
Make your friend believe you can predict thoughts or that they can predict yours!
Advantage: It works every time, and it is easy to do!!!
Entertain your friend with this app!