This study is an attempt to address the possibility of the cyberspace to serve as a public sphere by analysing the political role of social media specially” Facebook” and “YouTube “ and trying to understand the relation between the social networks nature and the cyber public sphere theoretically and practical by choosing a case study which will be the start of the Egyptian revolution of 25 January 2011 and the role played by the social media starting from the political blogs to the call for the demonstration of 25 January 2011 through the page of “Khaled Said “ on Face book website using the qualitative analysis of content and surveys and interviews as methodology tools