|Social Interaction between the people in different ways like Facebook, Twitter, LinkedIn, Google+, YouTube in which they share their information or different views etc. and it is called social media. Among the above mentioned social networking sites Facebook and Twitter have more users and user activity. Facebook claimed that on an average monthly 955 million users are using Facebook and for Twitter they have an estimated 462 million users. The wide acceptance of these social media environments offers a large and well-defined segment to the savvy marketer. Twitter and facebook users come under social media family but they work differently. Social media is classified into many different forms which include magazines, Internet forums, weblogs, social blogs, microblogging, wikis, social networks, podcasts, photographs or pictures, video, rating and social bookmarking.
The impact factor of journal provides quantitative assessment tool for grading, evaluating, sorting and comparing journals of similar kind. It reflects the average number of citations to recent articles published in science and social science journals in a particular year or period, and is frequently used as a proxy for the relative importance of a journal within its field. It is first devised by Eugene Garfield, the founder of the Institute for Scientific Information. The impact factor of a journal is evaluated by dividing the number of current year citations to the source items published in that journal during the previous two years.