1Pew Research Center."Election Weekend News Inter-est Hits20-Year High"[]..2008
2."In-ternet Now Major Source of Campaign News"[]..2008
3Center for Media and Public Affairs.Obama Leads the Media Race As Well——Study Finds McCain,Palin Get More Negative Press on TV News. http://www.cmpa.com/media-room-press-8.htm . 2008
4Pew Research Center.“WINNING THE MEDIA CAMPAIGN:How the Press Re-ported the2008Presidential General Election”. http://www.pewinternet.org . 2008
5Pew Research Center."Key News Audiences Now Blend Online and Traditional Sources"[]..2008
6Lee Rainie,Jeremy Shermak.Search engine use shoots up in the past year and edges towards email as the primary internet application[].Technical Report Pew Internet & American Life Project.2005
7Lee Rainie,Jeremy Shermak.Search engine use shoots up in the past year and edges towards email as the primary internet application[].Technical Report Pew Internet & American Life Project.2005