Geek Graffiti will be an overview of personal projects related to digital typography, interactivity, programming, and street art. The boundaries of the street and the web will be explored as we view examples of how code and new media technologies can be embraced to create new forms of urban graffiti. Custom tools are built in C, C++, and Flash to produce pieces which exist both on the web and the walls of New York City. Projects range in technologies from Flash to openGL and computer vision and exist on the boundaries of graffiti, street art, and new media. This presentation will center on creativity rather than technical considerations, however source code will be available to any that are interested. Come to view examples of technologies role within the budding urban street art movement.