10. The system of claim 9 , said computer display being on a client device connected to said system through a network connection.
9. A system comprising: a computer processor; a connection to a computer display; a stateful search session system that: receives a first search query comprising a first set of keywords; causes a first search to be performed using said first search query on a first search engine; receives a first set of search results from said first search engine in response to said first search query; causes at least a portion of said first set of search results to be presented on a computer display; analyze content contained in said first set of search results to derive a first set of related keywords related to the first set of keywords, the first of set of related keywords for categorizing portions of the first set of search results into different categories; causes at least a portion of said first set of related keywords to be presented on said computer display, said related keywords being presented to indicate how the first search results are divided into different categories such that a user may select related keywords to refine a search within specified categories from among the different categories; receives at least one of said related keywords selected by said user, said at least one related keyword corresponding to one or more categories from among the different categories; refine the first search query based on said selected at least one of said related keyword to create a second search query; causes a second search to be performed using said second search query; receives a second set of search results in response to said second search query; causes at least a portion of said second set of search results to be presented on said computer display; determines a second set of related keywords; and causes at least a portion of said second set of related keywords to be presented on said computer display, said related keywords being presented such that a user may select at least one of said related keywords.