Sort of related: http://www.silicon.com/management/public-sector/2008/09/26/id-card-will-drown-in-a-billion-mismatches-39294213/ http://www.silicon.com/manageme

Sort of related: http://www.silicon.com/management/public-sector/2008/09/26/id-card-will-drown-in-a-billion-mismatches-39294213/ http://www.silicon.com/management/public-sector/2008/09/26/i... It seems to me like Iris recognition is much more reliable, although I don't know how easy it is to fool the system. John Daugman's web page contains lots of _really_ interesting material: http://www.cl.cam.ac.uk/~jgd1000/ http://www.cl.cam.ac.uk/~jgd1000/