Kashmir Hill writes:
Thanks to facial recognition technology, advertising in the real world could become a lot more like that done online. Rather than advertising being selected for you according to cookies on your computer that reveal your age, gender, likely income, likes, and dislikes, billboards enhanced with facial recognition technology will choose ads based on what your face reveals about you.
[…]
What privacy advocates fear though is that the cameras in the supermarket get linked up with Facebook’s facial recognition system, so that the camera wouldn’t have to surmise that the woman was a mother or not; it could just check the family relations tab on her Facebook profile. That idea may be far-fetched, but it could work — if Facebook itself got into the facial recognition advertising business.
Read more on Forbes.