8. A method of providing search results, the method comprising: using a processor to perform acts, said acts being implemented by instructions that are stored in a memory, said acts comprising: receiving a query from a user; determining that the query is one to be asked to a person in addition to, or instead of, a search engine; obtaining objective results from a corpus of information; using a social graph to identify one or more people who are friends of said user in said social graph, and who have an aspect of relevance to said query; creating person results that comprise said one or more people and, for each of said one or more people, an explanation of each person's relevance to said query, said social graph indicating attributes for people in said social graph, said explanation of a given person's relevance comprising an attribute that is indicated in said social graph for said given person; and providing, to said user, a set of results that comprise said objective results and said person results, each of said person results being actionable to initiate contact between said user and a person identified in a given result.
8. A method of providing search results, the method comprising: using a processor to perform acts, said acts being implemented by instructions that are stored in a memory, said acts comprising: receiving a query from a user; determining that the query is one to be asked to a person in addition to, or instead of, a search engine; obtaining objective results from a corpus of information; using a social graph to identify one or more people who are friends of said user in said social graph, and who have an aspect of relevance to said query; creating person results that comprise said one or more people and, for each of said one or more people, an explanation of each person's relevance to said query, said social graph indicating attributes for people in said social graph, said explanation of a given person's relevance comprising an attribute that is indicated in said social graph for said given person; and providing, to said user, a set of results that comprise said objective results and said person results, each of said person results being actionable to initiate contact between said user and a person identified in a given result. 9. The method of claim 8 , said aspect of relevance being based on a comparison of words in said query with wall posts or tweets of people in said social graph.