There was astronomy, then there was numerology now hits the PersonalDNA where you can take a fairly long personality test to reach your unique personality visualization.
In this unique visualization each box and its color represent something about your personality. You can send the same test to friends and compare their pereption of your personality with your own visual.
Other than the fun aspect, if developed, the code and the visual has the potential to be a human barcode.
Visualize Your Personality: PersonalDNA
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