Human beings are social in nature it’s a basic instinct of every individual, as technology advanced the same concept has been turned out in to human beings are socially active on networking sites to certain extent, some are more active and some are less but the core concept of ‘socially active on Networking Sites’ is more of less very true, which is endorsed by many studies and researches across the globe, people are day by day increasing the usage of web based social networking sites. This paper highlights the importance of social networking sites, its usage across professionals and its effect on academic activities along with merits and demerits has been discussed.