As per @rastins request i am reposting the topic here ;) the original post can be found at http://www.anahitapolis.com/component/discussions/topic/53265/my-thoughts-on-ep2
Social media is a category of social networks where people publish media for their followers. The types of media are often notes, links, articles, photos, videos, and sound files.
Social media isn't the same as content management systems or web 2.0 apps. In a CMS, admins and editors decide: