Patent ID: 8243022

Claim:
A federated virtual graffiti system comprising: a first mobile device of a plurality of mobile devices coupled together in an ad-hoc network that is dynamically formed by the plurality of mobile devices resulting in a federation of devices comprising the plurality of mobile devices and the ad-hoc network; a virtual graffiti board implemented on the first mobile device and configured to enable a first user to create virtual graffiti via the first mobile device and to associate the virtual graffiti with a geographical location via the first mobile device, the virtual graffiti comprising electronic data configured to include graphics, audio, and video; a graffiti collection element of the virtual graffiti board that is configured to define the virtual graffiti to include a background and at least one graffiti overlay, the graffiti collection element comprising a background element configured to define the background for the virtual graffiti and a graffiti overlay element configured to define at least a portion of the virtual graffiti, the graffiti overlay element comprising a source identifier that identifies a creator of the graffiti overlay element, a sequence element that identifies a position over the graffiti overlay element in a set of graffiti overlay elements, and a position element that indicates a position of the graffiti overlay element on a background of the virtual graffiti; and a location element of the virtual graffiti board that is configured to store on a storage device of the first mobile device information indicating the geographic location associated with the virtual graffiti and a hit range that specifies a proximity to the geographic location, the virtual graffiti board further configured to provide the virtual graffiti to a second user via a second mobile device of the federation of devices in response to the second mobile device entering the hit range.