Social media

1)   The term social media refers to the use of web-based and mobile technologies to turn communication into interactive dialogue. Andreas Kaplan and Michael Haenlein define social media as "a group of Internet-based applications that build on the ideological and technological foundations of Web 2.0, and that allow the creation and exchange of user-generated content."^[1] Social media are media for social interaction, as a set of methods to enhance social communication, using ubiquitously accessible and scalable communication techniques.

Source: Wikipedia

2)  social media is a set of technologies and channels targeted at forming and enabling a potentially massive community of participants to productively collaborate. IT tools to support collaboration have existed for decades. But social-media technologies, such as social networking, wikis and blogs, enable collaboration on a much grander scale and support tapping the power of the collective in ways previously unachievable.

Six core principles underlie the value of social-media solutions, and, in combination, serve as the defining characteristics that set social media apart from other forms of communication and collaboration.

1. Participation
2. Collective
3. Transparency
4. Independence
5. Persistence
6. Emergence

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Source: by Anthony J. Bradley