30. The system of claim 24 , wherein at least one of the message collector or the message categorizer is adapted to compute a numerical reputation score for the extracted pseudonym author, and wherein the reputation score rates the extracted pseudonym author's reputation on a numerical scale, and the report at least indirectly reflects the numerical reputation score.
31. The system of claim 30 , wherein the reputation score is based on a plurality of influence scores for the extracted pseudonym author under multiple local pseudonyms that have been associated into a universal pseudonym.