17. The one or more computer-readable hardware media of claim 14 , wherein the scanning further comprises identifying one or more click-through distributions associated with one or terms within the list of terms, wherein the one or more click-through distributions are based on one or more click-throughs.
17. The one or more computer-readable hardware media of claim 14 , wherein the scanning further comprises identifying one or more click-through distributions associated with one or terms within the list of terms, wherein the one or more click-through distributions are based on one or more click-throughs. 18. The one or more computer-readable hardware media of claim 17 , wherein the scanning further comprises identifying two or more click-through distributions associated with one or more terms within the list of terms, and wherein a correlation factor is identified for the two or more click-through distributions.