What is the smo ?

i think Social Media Optimization (SMO) is the practice of increasing visibility for a company on social media channels, such as social networks, social shopping portals, and social bookmarking directories, with the goal of engaging customers.

is't it?
Social Media best way optimize Website. Social Networking sites are Facebook, Google +, LinkedIn, Twitter etc. Social Media is an online platform which people use to build social networks or social relations with other people who share similar personal or career interests, activities, backgrounds or real-life connections.
Social Media Optimization is the process of increasing the awareness about your product, brand or events by using the number of social media outlets and communities to generate traffic or viral publicly. It helps to improve the ranking of your website on SERP.