I work in tech for my day job, so I came across this sometime in the past year. Some people use it to search for violations of image copyright.
Google has an image recognition search. You can input an image link, or actually upload a URL, and it will display something it calls "visually similar images." Click on the little camera icon in the search to get there from the link above. You should see:
So according to Google, I am a cross between Anne Hathaway, Kate Moss, and Angelina Jolie on a bad day. And a bunch of other dirty tosseled blonds whom I don't immediately recognize. Including one doll.

It's Google, it's gotta be objective, right?
Or maybe...they just have a lot of photos up there on the web, those celebs...
Try it with your own avatar. It's fun.


Salon.com
Comments
:-) / r
Makes sense..:)
HUGGGGGGGGGGGGG
:p stoopid google
R
My OS avatar doppelgangers are a bunch of other non-celebrities. Oddly enough, none of the matches include large vegetables.