Facebook's privacy policies have always been the subject of debate among its users. After all, when you're putting so much information online where anyone can see it, how upset can you be when the public sees it? But what if "the public" is law enforcement?
The Washington Post editorial board jumped into a center of a decades-old debate by declaring their support for a universal national identity card. In reality, implementing an American national identity card would be an expensive logistical and bureaucratic nightmare.
Facial detection technology is making it feasible to do real-time measurement and analysis of advertisements in the physical world and predict the products you will want to buy, based on who you are or what you look like.