A visual analysis of credit card transactions before and during Mobile World Congress 2012 to reveal the economic impact on the city.

The interactive visualization shows the number of credit card transactions in Barcelona performed by locals and visitors. It compares historical data from the week before and during the MWC 2012 (Feb 27 - Mar 2), showing the social dynamics of the city along the week. The data has been wholly anonymized, and includes only where and when transactions were performed.

Check out the visualization live at:

mwcimpact.com/

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