If you do an image search on Google and then append &imgtype=face to the end of the url, what do you get? You get only faces as results. The above images are all from this site. Interestingly, the tags under the images are not the filenames or the alt or title tags but text that is near the image on the source page. I’m guessing these images were tagged as “face” via Google’s enhanced image search and labeler. But it seems a step, if a rudimentary one, toward more visual image searching.
The image is clickable if you want a closer look.
Via Marketing Pilgrim.
Update: Hey, here’s a related post from Slashdot. Computers outperform humans at recognizing faces.