1. A computer-implemented method comprising: providing, using one or more computing devices, a first user of a social network with an ability to schedule a synchronous communication session to occur at a future time by specifying one or more members of the social network that are connected to the first user in the social network, a date, and a time, wherein the synchronous communication session is associated with a topic; receiving an indication from the first user, to schedule the synchronous communication session to occur at the future time, the indication including the one or more members that are connected to the first user in the social network to invite, the date, and the time; providing, using the one or more computing devices, electronic invitations concerning the synchronous communication session to the one or more members in response to the electronic invitations concerning the synchronous communication session, wherein the electronic invitations include a text-based comment that is a descriptor for the topic associated with the synchronous communication session; and providing, using the one or more computing devices, the synchronous communication session for the first user and the at least one of the one or more members at the date and the time by rendering an audio-video stream received from one or more of the first user and the at least one of the one or more members within the synchronous communication session.