The development of social networks has greatly influenced the life of the whole society in recent years. In the era called "The world is flat" according to Thomas L. Friedman, author of the book World is flat, no one can deny the benefits of social networks. Besides the many benefits that social networks bring to users such as: fast information, a rich volume of information that is constantly updated, there are many entertainment utilities ... there is also an important aspect, drastically changing the form of communication between individuals, groups, and countries, that is the ability to connect. Thus, social networks have become a popular medium with diverse features that allow users to connect, share and receive information quickly and efficiently.