Pick a Card and don't Look

[jakubr]

Hi guys! I wanted to share with you a trick which I like quite a lot. It's done by my friend, I wonder what do you think about it? There's also a small tutorial on making mind maps in the video

[video=youtube;8c62G5D0BBs]http://www.youtube.com/watch?v=8c62G5D0BBs[/video]