Board Thread:General Discussion/@comment-108.38.193.5-20140417061758/@comment-16502426-20140417121233

I look at it like a fingerprint. No two are exactly the same, but two could be incredibly similar. Like many people have "loops", or many have "arches", more than one person could have a polarity semblance, or an afterimage semblance, but each would be a bit different.