Imagine you are sitting at a table at your favorite restaurant or coffee shop and the waiter comes by and slips you a note with your meal or beverage. What occurs to you at that moment? Do you look around wondering if the waiter is slipping you a message from someone in the establishment that you know? Do you think it is just the paper that the waiter used to take your order? Maybe you consider that the waiter is an undercover spy sharing information with you to save your