Suppose you walk into a shop and the guard at the entrance records your name. Cameras on the ceiling track your every step in the store, log which items you looked at and which ones you ignored. After a while you notice that an employee is following you around, recording on a clipboard how much time you spend in each aisle. And after you’ve chosen an item and bring it to the cashier, she won’t complete the transaction until you reveal your identity, even if you’re paying cash. Another scenario:
![Neat stuff. 🙂 [ Image courtesy : Graphjam ] Funny Pins, Funny Me, Jewel Orchid, Friends Forever, Really Funny, Being Used](https://i.pinimg.com/236x/c5/5a/eb/c55aeb87c596a9a9f80439173a9200b4.jpg)
