26. The medium of claim 24 wherein the instructions include instructions that, when executed by one or more processing devices, cause the one or more processing devices to determine, for a character sequence, changes in the correlated list of phrases over time.
26. The medium of claim 24 wherein the instructions include instructions that, when executed by one or more processing devices, cause the one or more processing devices to determine, for a character sequence, changes in the correlated list of phrases over time. 27. The medium of claim 26 wherein the instructions include instructions that, when executed by one or more processing devices, cause the one or more processing devices to generate, based on the changes in the correlated list of phrases over time, a report on changes in consumer interest.