Check out the Binary Sensory Card Marking System. A PDF reveals instructional legerdemain for one original labeling system! This system is so ingenious it will let you idenitfy cards at a great distance or even in total darkness! Even better, magician Anders Moden, best known as the inventor of Healed and Sealed Soda, has released this ingenious system completely for free!

If you've read my reviews for Combo, Combo II or Leo Boudreau's books, you'll know how much I appreciate ingenious applications of binary math like this.

If you like this and are looking for other similar things to read, try reading this. If that post is too long, just read the first letter of every word in the second sentence in this post.