Oes diversity of opinion in the press matter any more, now we have access to participatory and social media?

Please use these readings as part of the references;

1) Van Djick, Jose. Users like you? Theorising agency in user-generated contentMedia, Culture, and Society , 31:1 , 2009 , 41-58

2)Scannell, Paddy. Public service broadcasting and modern public lifein Media Studies Reader , OSullivan, Tim; Jewkes, Yvonne , 1997 , 60-71