4. The method of claim 1 , further comprising: identifying a pattern of tonal usage on the part of an individual actor with respect to other actors; identifying deviations from the pattern of tonal usage; and associating specific topics, actors, events of importance, or changes in communications patterns associated with the deviation.
4. The method of claim 1 , further comprising: identifying a pattern of tonal usage on the part of an individual actor with respect to other actors; identifying deviations from the pattern of tonal usage; and associating specific topics, actors, events of importance, or changes in communications patterns associated with the deviation. 6. The method of claim 4 , further comprising: classifying an item as hot or worthy of special examination, based on a tone associated with the item.