Social networking websites have gained momentum the past couple of years . The rise in popularity of such sites enable users to personalize their own space and at the same time connect with acquaintances , friends and family or meet new people with same backgrounds or interests . This virtual grouping of people does not just provide a social network to the users . Because it is based on common grounds of people , their similarities and their connections , it is also a vital tool for marketing as it gives a very effective method