Communication

The communication is something that goes with humans because we need to communicate with each other and it was essential from the beginnig of time, (see the film 2001).
At the beginning of time humans communicated throught body signs, signals and sounds in the open space and in the environment.
Later on it changed into letters, oral language, written messages and books Then the phone was invented, fax, up to the new mobile phone, then the computer with the Internet and wireless devices we have today.
At the present means of communication are changing rapidly every day more and is common to all people because they do not know how to live without being able to communicate and it is very useful to get in touch with relatives abroad .