The new information technologies have an influence on human activities on all aspects. These technologies have revolutionized the global economy and human thoughts by forming the societies in different ways and changing the nature of human interaction.Wellman identified that when a computer network connects people, it is a social network.[40].The digital social networks and the Internet in general has had an impact on society. “Networks are becoming the nervous system of our society, and we can expect this infrastructure to have more influence on our entire social and personal lives than did the construction of roads for the transportation of goods and people in the past.”[7].There are growing demands of using these websites according to statistical graphs for the United Nations and other agencies[17]. Recently the statistical figures have shown that there is a major expansion of using social networks. For instance, the number of using Facebook exceeds 900 million subscribers in the world[30].