Its all about search engines and their use of “social signals” that help better rank your business. Google, and Bing are using “social signals” to help them rank. Google, of course, uses plus ones (Google+). Bing uses stuff people share on Facebook. Adding a social media presence to your SEO / traffic strategy is key now. Make sure your business has a Facebook page, Twitter account, LinkedIn page, and of course Google+. Be consitstent with all of them. Use the same annoucements, content, pictures, branding, description, etc. Rock-on!