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This project has also been supported by groups donating many people's time: ReserveSport, LLC (when it was a startup before it became free), HomeNet (NSF Grant #IIS-9625862 9625862 and #IIS-9900449 9900449), the Project on People and Robots (NSF #IIS-0121426 0121426), the Evolution of Social Ties in the Age of the Internet (NSF Grant #IIS-0208900 0208900), and the Carnegie Mellon Human-Computer Interaction Institute.
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