You might want to check out the bit in the article mentioning the study that claimed you could figure out a person's sexual orientation from their photo. There

You might want to check out the bit in the article mentioning the study that claimed you could figure out a person's sexual orientation from their photo. There are also many well-known algorithms that attempt to predict how nervous or angry a person is from a photo. Edit: as for criticisms of image recognition systems themselves, they have different false positive rates for different skin colors.