Using the same tools that they have to identify terrorists walking through airports you should be able to compare the features of your face with many possible faces. This would allow a person trying to figure out which famous people they look like to rapidly get a percentage match against an entire database of pictures of famous people. It also would allow people to find their lost doppleganger - a person who looks just like them but they have never met.-- dhousman, Oct 08 2004 Doppelganger Search System http://www.halfbake...r_20Search_20Systemby Buzz. Certainly similar. [calum, Oct 08 2004] Find Yourself http://www.halfbake...dea/Find_20yourselfby pluterday. Less so, but still related. [calum, Oct 08 2004] And join together into gangs of lookalikes. The Apple Doppling Gang?-- RayfordSteele, Oct 08 2004 There's some software like this posited in William Gibson's novel 'Virtual Light'. There it's called 'Separated at Birth' and used by the police and the like.-- oneoffdave, Oct 08 2004 This would be fun at first but might lead to insanity or the stealing of peoples lives.-- harderthanjesus, Oct 08 2004 Nah, it's sad enough to know that one person looks like this.-- half, Oct 08 2004 random, halfbakery