Social media marketing (SMM) is a form of Internet marketing that utilizes social networking websites as a marketing tool. The goal of SMM is to produce content that users will share with their social network to help a company increase brand exposure and broaden customer reach.
Social media optimization (SMO) refers to the creation of online content that is likely to be shared through social networks. Social media optimization is more art than science, as it can be difficult to come up with a consistent formula for creating shareable content. That said, social media optimization is gaining importance as social sharing is increasingly being integrated into search results.
The meaning of SEO (search engine optimization) is the process of making changes to your website design and content in order to help it appear in the search engines. By optimizing your website for the search engines, you can increase your visibility in the organic, or un-paid, search engine results.