1. A computer-implemented method for managing information about relationships in a social network via a social timeline, comprising: maintaining in a computer system a plurality of relationships among members of the social network, each relationship comprising a connection between at least two members in the social network; for at least one relationship, receiving one or more relationship details from at least one of the members connected in the relationship, each relationship detail comprising a durational time period of the relationship and a category of the relationship; generating a social timeline for one or more relationships, the social timeline comprising a listing of the relationship details of the relationships, the listing sorted by chronological order of the time periods of the relationships, the social timeline further comprising selectable links such that selection of the links provide further information about the relationships associated with the links; and displaying the social timeline of the relationships in a graphical user interface to a member of the social network.