This book has general knowledge about obstacles in communication. It's show you what is the obstacles in communication, a new classification of obstacles, some real obstacles from our life, obstacles in our relationship and in relations between people, institutions and so on.Generally speaking, the obstacle in communication need to be removed or reduced for communication is essential between people; communication is what makes people socialize, get to know each other, it makes them take the good choices, helps them to have access to information and to use the information in their advantage, to solve their problems, to exchange ideas beneficial for them and their community, to defend themselves in situations which do not have a positive effect on them; communication also contributes to the good understanding between people, to the freely expressing of opinions, of refuse/denial, of acceptance, of feelings, it also contributes to the respecting of freedom of speech, of the right of access to information, etc. The elimination of obstacles in communication is far better and more useful for people than keeping them.