The document discusses a study on the role of Twitter in the 2010 Nevada Senate race between Harry Reid and Sharron Angle. It begins by providing background on Twitter and how it has been used in political campaigns. It then discusses different theories about how the internet and new technologies can impact political participation and engagement. Specifically, it examines the instrumental approach which posits that lower communication costs increase participation, and the psychological approach which argues individual motivations and attributes determine online political involvement. The document will analyze tweets from Reid and Angle's campaigns and compare them to mainstream media coverage, in order to understand how Twitter was utilized in this competitive Senate election.