Presentation
 Spectator is asked to think of something. Magician brings out a packet of his business cards.  He takes one off the top of the stack, turns it over to the blank side, and places it on top of the envelopes on the underside.  Spectator is then handed a pen and told to write his prediction on the back of the business card and remove it.  Specator hands the packet back to the magician.  Magician then removes an envelope and hands it to the spectator to put his signed card in to further conceal it. The magician then sets the pack aside, but now knows what the spectator has written.
Packet of Business Cards and Envelopes
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Removing a Business Card
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Turning Business Card over to the Blank Side
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Sliding the Card under the Rubber Band
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Using a Pen to Show the Spectator Where to Write
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Spectator Writes his Prediction
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Spectator Removes his Card
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Magician Removes an Envelope
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Spectator Inserts his Card into the Envelope
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Message is Now Secure
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