The document summarizes the Massachusetts Department of Transportation's (MassDOT) first developers conference held on November 14, 2009 at MIT. It discusses MassDOT's transition to an open data model that makes transportation data available to developers in standard formats like RSS and XML. This new approach aims to engage developers to build interesting apps using MassDOT data, creating value for both MassDOT and developers. Results mentioned include 6 innovative apps already built using this open data.