There's also an article on news@nature about the potential hazard posed by this test.
Here's the link: http://www.nature.com/news/2007/0701...070115-14.html

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Science is a way of trying not to fool yourself. The first principle is that you must not fool yourself, and you are the easiest person to fool.
-- Richard P. Feynman

DISCLAIMER: I'm not a native English speaker so forgive me for any grammatical/syntactical error ;)