Pulse Of The Nation

Pulse of the Nation is an interesting project devised by a group of researchers from Northeastern University and Harvard University, studying the characteristics and dynamics of Twitter. By data mining the social networking site over the course of a year (using over 300 million tweets), Pulse of the Nation shows a number of mood trends, regarding both times of day and geography. The peak in the overall tweet mood score being observed on Sunday mornings, and the trough occuring on Thursday evenings.