Butt, Wait! Really?

There's retinal scanners, fingerprint scanners and other biometric ways of identifying someone.  Here's a new one.  How about an anal print?  

You read that correctly.  Scientists are working on toilets that can identify a person and possible health issues by their butthole or anoderm.  These scans would be used to test urine, feces and other things for medical use.  Of course, there's going to be concerns and privacy issues involved.  

Intrigued?  Read more in this article from futurism.com.  Fascinating stuff.