The concept of diversity has always been an underlying principle in media policy-making
and the era of participatory media has not changed that core concern. However, dramatic
changes in contemporary media systems suggest a need to reconsider how this complex
principle is conceptualized and applied. Social media have brought about a seemingly
infinite amount of sources and content by lowering the barriers to participation in the fields of
media and communications. Much hope has been attributed to their democratizing potential …