Stanford has made a toilet that identifies you based on your butthole. It also identifies your stools (size, weight, etc.) and everything else! :ohmy2:
It's supposedly for personal heath. I think it's for perverts. :rofl1: :rofl1: :rofl1:
https://www.nature.com/articles/s41551-020-0534-9
Seems like yet another invention people don't really need. ???