Try to order without looking at the menu.
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Instead of being asleep at 14:52 on 20 May 2005, kitt created this:
Try to place an order at a fast food restaurant, or any other restaurant, without looking at the menu.
Try looking at the waiter/waitress/person behind the counter. Look them in the eye.
Unless you've been doing it for a while, it's not as easy as it sounds.