Press2ToContinue writes: "Facial recognition cameras are installed at local businesses. These cameras recognize your face when you pass by, then check you in at the location. Simultaneously, your smartphone notifies you of a customized deal based on your Like history."
From Facebook, whose track record for privacy problems is legendary.
What could possibly go wrong?
"More software projects have gone awry for lack of calendar time than for all
other causes combined."
-- Fred Brooks, Jr., _The Mythical Man Month_