Hi, Ya i think it is,because its the cheap and easy way to get maximum traffic to your web. Now a days when internet becomes the basic necessity of the people it will also help you to introduce your business globally. When you interact there with other people it will help you a lot to get positive results and after a time you get the good PR in webs then your sites start getting back links from others webs.
Social networking has been among the top sources of traffic for on-line businesses with such a huge trend in 2011 of SMO according to a post posted in Mashable.com More online buiness owners will invest in next year in the SMM