8. A system comprising: one or more processors; a visual search engine stored on a memory and executable by the one or more processors, the visual search engine for receiving an image from a user device, searching the database of mixed media objects to identify and retrieve a mixed media object in which the image occurs, and identifying a cluster including the mixed media object in which the image occurs; and a social network application that is coupled to the visual search engine, the social network application for receiving, from the visual search engine, a reference to the cluster, determining whether a conversation associated with the cluster exists in a social network, and responsive to an absence of the conversation, generating the conversation associated with the cluster in the social network.
8. A system comprising: one or more processors; a visual search engine stored on a memory and executable by the one or more processors, the visual search engine for receiving an image from a user device, searching the database of mixed media objects to identify and retrieve a mixed media object in which the image occurs, and identifying a cluster including the mixed media object in which the image occurs; and a social network application that is coupled to the visual search engine, the social network application for receiving, from the visual search engine, a reference to the cluster, determining whether a conversation associated with the cluster exists in a social network, and responsive to an absence of the conversation, generating the conversation associated with the cluster in the social network. 9. The system of claim 8 , wherein the mixed media object corresponds to a source material and the conversation includes a plurality of discussions that relate to the source material.