UNC and Peg System http://www.donredding.com/tie-unc-2011-12-BB.htm
Loryane: http://www.ownways.com/how_to_develop_a_super_power_memory/
Not too good: http://userpage.fu-berlin.de/~tanguay/memory_main.htm
Thessessarus: http://www.the-number-thesaurus.com/Introduction.asp
Courious: http://www.intelligenceunited.com/?p=937
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