#Repeat: The Presidential Inauguration

“The National Mall is now a sea of American flags, waving in celebration of @BarackObama and @VP Biden.”

Capturing the mood of a nation, a Twitter user was reporting from Washington D.C. on the presidential inauguration. In the video we provide here, we show how the reports are delineating that day’s activities, moving from the National Mall in the morning, to the motorcade route leading the President from Capitol Hill west along Constitution Avenue to Pennsylvania Avenue and then the White House.

Demarcating New Boundaries: Mapping Virtual Polycentric Communities through Social Media Content

The proliferation of social media has led to the emergence of a new type of geospatial information that defies the conventions of authoritative or volunteered geographic information, yet can be harvested to reveal unique and dynamic information about people and their activities.

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