Aryabhata writes: "This article disucsses how Digg uses visualization tools to identify illegitimate use of the system, especially people who are try "game" the system to try to increase a story's chance of getting into the main page. Certain data-visualization tools can be used to detect suspicious activity easier. "By representing user activity graphically, we can start to see patterns that wouldn't be normally apparent by other means," says Eric Rodenbeck, founder of Stamen, the design firm that provides visualization tools for Digg Labs."
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