Is there such a thing as cell phone etiquette? Here are my thoughts :
1,When you are in public, find a place where you won't bother people. We do not want to know what you did last night or your future plans.
2,Have you ever heard of vibrate mode? Use it when you are in church, library, restaurant, movies or other such places. ...
How to Use a Cell Phone to Save a Life
Sooner or later a friend, relative or stranger in need will have a medical emergency and you must summon someone who can help immediately.