is a research experiment to understand and encourage the propagation of social activities through personal networks. It is built as a game that simplifies the process of making your opinion known to your congressperson while encouraging your friends to do the same.

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FiftyNifty was created by the Viral Communications group at the MIT Media Lab. Andrew Lippman, Leopold Mebazaa, Travis Rich, and Jasmin Rubinovitz, with Simon Johnson (MIT Sloan School of Management) and Penny Webb (Tangible Media group).