"they took to taking palm prints" Well, you could sand those off, too. And while you're at it: sand your toes. And your heels. Now what would you do when iris

"they took to taking palm prints" Well, you could sand those off, too. And while you're at it: sand your toes. And your heels. Now what would you do when iris scans become a commonplace biometric? Sand off the back of your eyeballs? ;-)