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The winning entry [headsuptimessquare.com] of the HeadsUp! Time Square Competition, organized in collaboration with visualizing.org, was developed by information designer Richard Vijgen.

The 30-seconds data visualization is based on the measurements collected by the GRACE satellites over a period of 10 years to show seasonal and longterm changes of ground water levels. It will be displayed on the screens of the TS2 signboards located at the Time Square in New York during World Water Day, which was on March 22, 2012. TS2 stands for "Times Square2", a free API that makes it possible to developed applications for the giant ad spaces on the side of the Thomson Reuters and NASDAQ buildings.

Via Co.Exist and TreeHugger.