The Social media marketing is a considerable ingredient within your search engine optimization ( SEO) campaign. This is the most cheap method to promote your services or product. The only cost associated with this is the energy that is used to power your computer to make the postings. There are over 78 social posting websites that allow people to post or bookmark an article and link for free. Many of these websites also allow tags to be placed in with these postings. This makes it easy for anyone researching a subject to find what they are looking for.