A media sharing system providing for a shared experiencing of media content, the media sharing system comprising: a) a web server connected to an internet gateway, the web server operable to communicate with client devices connected to the internet; b) a user profile database in communication with the web server, the user profile database operable to store user profile data, including user social network data and user media content selections; c) a media server in communication with the web server, the media server operable to provide a media stream to multiple participants connected through the internet, the media server operable to synchronize playback for the multiple participants such that the multiple participants receive the media stream in a substantially synchronized manner, wherein playback comprises displaying the media stream on a display screen; and d) a social content server in communication with the web server, the social content server operable to provide for social interactions among the multiple participants, whereby the social interactions occur in a context that is in time with the multiple participants' substantially synchronized receipt of the media content, wherein the social interactions are integrated with the media content such that the social interactions are exchanged and displayed on the same display screen as the substantially synchronized playback of the media stream, wherein the social interactions are indexed with the media content using time-indexing and tracking capabilities of the media sharing system, and wherein the social interactions are indexed with the media content such that the social interactions are viewable with the media content in the same context of the shared experiencing of the media content, on a computing device different from at least one of the client devices, during a later viewing of the media content, the social content server further operable to communicate with external social servers to facilitate the posting of user activities or user-requested media content to at least one of the participant's external social networks. a) a web server connected to an internet gateway, the web server operable to communicate with client devices connected to the internet; b) a user profile database in communication with the web server, the user profile database operable to store user profile data, including user social network data and user media content selections; c) a media server in communication with the web server, the media server operable to provide a media stream to multiple participants connected through the internet, the media server operable to synchronize playback for the multiple participants such that the multiple participants receive the media stream in a substantially synchronized manner, wherein playback comprises displaying the media stream on a display screen; and d) a social content server in communication with the web server, the social content server operable to provide for social interactions among the multiple participants, whereby the social interactions occur in a context that is in time with the multiple participants' substantially synchronized receipt of the media content, wherein the social interactions are integrated with the media content such that the social interactions are exchanged and displayed on the same display screen as the substantially synchronized playback of the media stream, wherein the social interactions are indexed with the media content using time-indexing and tracking capabilities of the media sharing system, and wherein the social interactions are indexed with the media content such that the social interactions are viewable with the media content in the same context of the shared experiencing of the media content, on a computing device different from at least one of the client devices, during a later viewing of the media content, the social content server further operable to communicate with external social servers to facilitate the posting of user activities or user-requested media content to at least one of the participant's external social networks.