Saturday, July 17, 2010: 4:00 pm (Lovelace): Many social networks allow users to expose geo-locational data. For example, Twitter allows each tweet to be tagged with the GPS location of the user. While perhaps harmless individually, once aggregated, these geo-tagged tweets can be used to build a profile of the user, revealing far more personal information than intended. A tool that aggregates tweets and helps visualize and classify where people are tweeting from will be demonstrated and the implications discussed.

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