For each discussion about your company, its products or services accompanied with the right web links, your website will gain a better ranking in search engines for every search made using the keywords related to your website, products or services. This means that there are lots of online users who are viewing the content where your link is added. This may also encourage them to visit your website if they clicked the provided link. Therefore, other internet marketers value social media marketing as an important aspect of all Search Engine Optimization strategies. 
The links will be assessed by the search engines to find out their connection and relevance to your business website. The search engines focus on the back linking process of the users who share the content involved.