Systems and methods are provided for sharing and distributing content using a mobile client on a cellular telephone. The mobile client may transmit the shared content to a service portal and the service portal may distribute the shared content to client devices. The content may include images, audio, video, documents, and any other content a user desires to share using the cellular telephone. The mobile client may be configured to operate in a variety of sharing modes. In some of the sharing modes, the mobile client may perform certain functions automatically in response to the creation of new content. Each item of content may be shared and distributed to one or more social groups. Each social group may include one or more users. Each of the users in a social group may be associated with a client device and may be associated with another cellular telephone.