12. A system, comprising: a query module to receive a search query from a member of a social network; an identification module to identify two or more categories of data within the social network that include information satisfying the received search query; a category ranking module to rank the identified two or more categories of data based on a selection criteria associated with the member of the social network and including a quality metric assigned to the information satisfying the received search query within the categories of data, the quality metric including: a percentage of users who have previously selected the at least one search query suggestion; and a percentage of users who have previously selected displayed results associated with the search query; and a suggestion module to present at least one search query suggestion based on the ranking of the identified categories of data within the social network.
13. The system of claim 12 , wherein the suggestion module is to present a list of search query suggestions proximate to a search field of a user interface that received the search query, wherein the presented list includes a first suggestion associated with a higher ranked category of data proximate to the search field and a second suggestion associated with a lower ranked category of data proximate to the first suggestion.