14. The method of claim 1 , further comprising: accessing a social graph comprising a plurality of nodes and a plurality of edges connecting the nodes, each of the edges between two of the nodes representing a single degree of separation between them, the nodes comprising: a first node corresponding to the user; and a plurality of second nodes corresponding to a plurality of objects associated with the online social network, respectively.
15. The method of claim 14 , wherein the one or more selected categories are selected based on a degree of separation between the first node and a one or more second nodes associated with one or more of the selected categories.