15. The computer program product of claim 10 , further comprising: computer usable program code for monitoring re-categorization of answer content; and, computer usable program code for notifying end users linked to categories from which a threshold amount of answer content has been re-categorized.
10. A knowledge management computer program product comprising a non-transitory computer usable storage medium embodying computer usable program code for organically ranked knowledge and categorization, the computer program product comprising: computer usable program code for bookmarking answer content for a first end user of a knowledge management system; computer usable program code for suggesting a set of categories previously associated with the answer content by other end users of the knowledge management system; and, computer usable program code for categorizing the bookmarked answer content with a category selected from the set of categories; wherein the computer usable program code for suggesting a set of categories previously associated with the answer content by other end users of the knowledge management system, comprises: computer usable program code for sorting a set of categories previously associated with the answer content by other end users of the knowledge system according to a rank order determined by self-learning scores for each of the categories; and, computer usable program code for presenting the sorted set of categories to the first end user.