Abstract: Technology is provided to manage sharing of media content among client computers. In one example, an application server provides at least a portion of the media content to the client computers. The application server receives a requested session event. A session event is an annotation, a comment, or a navigation request. The application server generates a formatted session event by formatting the requested session event at least according at least one option. An option defines how the application server is to modify a session event for display at the client computers. The application server provides the formatted session event to the client computers for display on user interfaces at the client computers. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.