SMALL ACTS FOR STRANGERS
Don't talk on the phone in small enclosed spaces (e.g., crowded elevators or small waiting rooms). If you're on the phone and heading towards an elevator with lots of people in it, tell the person you will call them right back.
Don't use your phone during the process of ordering at a coffee shop or restaurant; it's very annoying for staff to be half ignored during your order.
If there is a temporary crowd (for instance, trying to get out of a train), wait for t...
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