Social Media Optimization (SMO) or Social SEO is the methodization of social media activity with the intent of attracting unique visitors to website content. It involves heavy traffic to a website during new channels. While it’s not taking over SEO yet, it would-be to someday soon
The idea behind SMO is simple apply changes to optimize a site so that it is more easily linked to, more highly visible in social media searches on custom search engines and more often included in relevant posts on blogs, podcasts.
Social Networks like Facebook, Twitter, Orkut, LinkedIn, YouTube, etc