in the present time social networking is a must because references play an important role in getting good job which may be important but not the final output of such websites emotional needs support under crisis of all kinds and need for affiliation is possible through such networking also you never feel lonely under difficult times and even get support to earn money save yourselves from forces which misguide you on behalf of your extraordinary will power record and strong character
its an amazing site.Its a niche professional communities for exchanging opportunities and knowledge.More than social networking its professional networking which helps.