Why social networking sites are so popular?Why and what makes facebook a super hit social networking site compared to other sites like orkut or linkedin?
Why are people so crazy about facebook and orkut?
What do you do and how much time do you spend there everyday / everyweek?
How safe are these sites?
What are the other sites which you have account in or you know about other than the above mentioned sites?
How to use them at the best?