7. The method of claim 1 , further comprising: storing a plurality of interest signature values in a database; and retrieving and displaying one or more users from the database having a predetermined rank or interest signature value for a query topic in response to a request regarding the query topic.
7. The method of claim 1 , further comprising: storing a plurality of interest signature values in a database; and retrieving and displaying one or more users from the database having a predetermined rank or interest signature value for a query topic in response to a request regarding the query topic. 8. The method of claim 7 , wherein the retrieving and displaying step comprises: outputting one or more users with highest ranked interest signature values corresponding to the query topic.