summary:
Konowing how to read body language is very useful. It is very important method to communicate with people.
Reaction:
Body Language ia a very easy way that people can communicate with others. We can also understand that foreigners want to express something through body language.
Outside reading:
http://en.wikipedia.org/wiki/Body_language
Reaction:
Body lanuage is a very goog way to let prople to konw other people's expression even they are from different contry or culture. The simple body language's gesture is "Smile".