1. Facebook might sell the information to retailers or be forced to turn it over to law enforcement -- in both cases without users knowing it.
  2. A story out of Russia this week shows what lies in store. It describes how you can point a smartphone at a stranger on the bus or on the street, and then use a facial recognition app to identify them on the spot. Men are using it to track women, and law enforcement in Russia and other countries are embracing it too.
  3. “If you see someone you like, you can photograph them, find their identity, and then send them a friend request,” the Russian app maker told the Guardian. You could also stalk or harass them too.