10. The system of claim 9 , wherein the first metadata are about the first audiovisual portion of the first content object, including at least one of a show description, an airdate and a television rating.
10. The system of claim 9 , wherein the first metadata are about the first audiovisual portion of the first content object, including at least one of a show description, an airdate and a television rating. 17. The system of claim 10 , wherein the selection of the second search keyword comprises making a random selection of the second search keyword from the metadata pool.