2. The method of claim 1 , wherein the automatically the updating value metric scores of the expanded set of experts via the programmable device as the function of the timeliness of the response received from the associated expert comprises: increasing the value metric score of a first expert as a function of an elapsed time of a response of the first expert to a sent survey question that is less than a normal response time; and decreasing the value metric score of a second expert in response to a failure to receive a response to a sent survey question from the second expert within an allowable time for response to the sent survey question.
4. The method of claim 2 , wherein the automatically updating value metric scores of the expanded set of experts via the programmable device is further a function of a number of referrals to an expert from other experts, further comprising: increasing the value metric score of a third expert if multiple experts refer to the third expert as an appropriate person to answer a given question of the survey; and decreasing the value metric score of a fourth expert relative to a fifth expert if the fourth expert has relatively fewer references to the given question of the survey relative to the fifth expert.