Body language

I have read an interesting article on web-site today. It’s talking about body language.
According to some studies, more than ninety percent of communication is expressed through unspoken signals. Apparently , it is difficult to communicate with people without body language. Some types of body language seem to be the same all over the world, such as smiling when we are happy or tensing our lips when we are angry. However, some body language vary from culture to culture. For instance, in the U.S the hand signal for “ok” has different meaning in Japan, where it means money. Therefore, when we learn another language, we must not learn the spoken language, but also the body language.