Social media is a content-service that enables social interaction to generate, disseminate, and access content – such as articles, photos or video.
Examples of social media websites and services include:
Often synonymous with web 2.0, social media is the preferred term for describing the how content is generated (through social interaction/‘user-contributed’), whereas web 2.0 describes the underlying technologies, including the ways that people are able to use the system (interface).
blog, content, convergence, interface, web 2.0.