Master's degree student Chris Weidemann has developed an application that mines geospatial information shared by Twitter users and analyzes it using Esri's ArcGIS software to create a geospatial picture of a specific Twitter user or a region's users as a whole. Weidemann next plans to take his app, Twitter2GIS, a step further and allow Twitter users to test the app and see what it can deduce about their movements. "My intent is to educate social media users and inform the public about their privacy," Weidemann said.

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