http://WizardofSEO.com<br />There are many benefits of social media and they include:<br /><br />Improved social signals (which are a factor in the search ranking algorithm).<br />Company branding<br />Improved brand awareness<br />Word-of-mouth advertising<br />Increased customer loyalty and trust<br />Improved audience reach and influence<br />73% of online adults use social networking sites.<br />Facebook gets 1.2 billion monthly active users<br />Twitter gets 130 million monthly active users<br />So as you can tell there is lot of potential for new customers to find your business on social media websites.